20 best shows like No Mercy (2010)

Kim Yo Han is a psychiatrist who gets involved in a serial murder when his car broke down on Christmas Eve during a sudden storm and he is forced to take shelter at a private high school. Seven students and a teacher are also there over the winter break, but they are gradually murdered one by one as they receive letters from a killer who wants revenge for the death of his mother and sister.

Park Jung-Woo is a prosecutor at Seoul Central District Prosecutors' Office. One day, he wakes up and finds himself in locked up at the police station. He has temporary amnesia. Park Jung-Woo is falsely accused and is sentenced to death. He must struggle to prove his innocence.

For most physicians, the Hippocratic oath is sacred. But for one Chicago doctor, who is indebted to the mafia, saving lives isn’t her only concern. The Mob Doctor is a fast-paced medical drama focusing on a young female surgeon caught between two worlds as she juggles her promising medical career with her family’s debt to Chicago’s Southside mob.

When family man Nick Brewer is abducted in a crime with a sinister online twist, those closest to him race to uncover who is behind it and why.

The murder of a teenager and the hunt for a serial killer in a suburban Northern California town sets two fathers on a course of mutual destruction that will reverberate through their quiet community. Starring Sam Trammell and Aden Young.

Detective Elliot Stabler returns to the NYPD to battle organized crime after a devastating personal loss. Stabler journeys to find absolution and rebuild his life, while leading a new elite task force that is taking apart the city’s most powerful criminal syndicates one by one.

Cameron Black is the world's greatest illusionist. At least, that's what people used to call him - before his greatest secret was exposed and his career destroyed. Even worse, Cameron has good reason to believe this was no accident.

A missing FBI agent reappears six years after being declared dead.

The disastrous meltdown of a nuclear power plant in Northern Spain created a contaminated no-go zone and left the nearby provincial city and inhabitants in a state of shock and mourning. Three years later, while the city prepares for the commemoration ceremony, a mutilated body is found in a warehouse. Police inspector Hector Uria's search for the murderer takes him deep into the no-go zone and into his own past.

It's 1933, and an older and greyer Hercule Poirot has fallen out of the public eye. When he receives anonymous letters threatening murder, he must take matters into his own hands.

The mysterious disappearance of a Scottish fishing trawler and a death on-board the submarine HMS Vigil bring the police into conflict with the Navy and British security services. DCI Amy Silva and DS Kirsten Longacre lead an investigation on land and at sea into a conspiracy that goes to the very heart of Britain’s national security.

Copenhagen Police's Homicide unit, headed by Jens Møller, tries to solve the murder of Swedish journalist Kim Wall.

Eduardo Borges is a young man above all suspicion: handsome, smart, and sensitive. However, his perfect man appearance is simply a mask that covers up his fearsome personality: a dangerous psychopath behind a number of crimes that have caught the police’s attention. A cold, conniving, and callous criminal; a serial killer who kills purely out of pleasure.

What does it take to be a detective in one of America's toughest cities? Follow one homicide unit as Detroit's finest unearth the crisis and revelation, heartbreak and heroism of these inner city cops in Detroit, Michigan.

Icelandic crime drama featuring Chief of Police Andri.

CIA officer Carrie Mathison is tops in her field despite being bipolar, which makes her volatile and unpredictable. With the help of her long-time mentor Saul Berenson, Carrie fearlessly risks everything, including her personal well-being and even sanity, at every turn.

A young mother kills in a fit of unexplainable rage a seemingly stranger. An inquisitive detective obsesses over the case, attempting to get to the bottom of the true motive behind the act.

An agent in the FBI's Elite Serial Crime Unit develops profiling techniques as he pursues notorious serial killers and rapists.

Chasing Shadows' follows a team of special operatives who are tracking down serial killers.

Searching for his kidnapped daughter, Antonio sets off a series of events affecting scores of people when he maneuvers to be sent to prison in Colombia.

The Event is an emotional, high-octane conspiracy thriller that follows Sean Walker, an everyman who investigates the mysterious disappearance of his would-be fiancée Leila, and unwittingly begins to expose the biggest cover-up in U.S. history.

Prime Suspect 1973 tells the story of 22-year-old Jane Tennison's first days in the police force, in which she endured flagrant sexism before being thrown in at the deep end with a murder enquiry.

Criminal Minds: Suspect Behavior was a short-lived American police procedural drama that aired on CBS. The show debuted in 2011 as a spin-off from the successful Criminal Minds, which had premiered in 2005. This edition's profiling team also worked for the Federal Bureau of Investigation's Behavioral Analysis Unit in Quantico, Virginia. In an April 2010 episode of Criminal Minds, during the show's fifth season, the original team met the new team and worked with them to find a San Francisco serial killer. This episode served as the new series' backdoor pilot. Just like the parent series, CBS owned the underlying North American rights, while ABC owned the international rights. The series premiered on February 16, 2011, and filled the Wednesday 10 pm time slot, airing immediately after the original Criminal Minds. CBS cancelled the series on May 17, 2011. The series ends with a cliffhanger. On September 6, 2011 CBS DVD released the complete series as a 4 disc-set. It is packaged as "The DVD Edition". There are numerous special features and two episode commentaries with the cast and crew. The set includes the backdoor pilot from season five of the original show.

Tech genius Lindy, convinced by her roommate to begin online dating, begins to suspect that one of her mysterious suitors may be a deadly cyber stalker. When her friends at the elusive cyber-police uncover a potential serial killer in Manhattan, all signs point to one of Lindy’s dates. Teaming up with this band of hackers Lindy works to solve the murders while unleashing her own style of justice on the streets of New York City.

A modern update finds the famous sleuth and his doctor partner solving crime in 21st century London.

Ten strangers, drawn away from their normal lives to an isolated rock off the Devon coast. But as the mismatched group waits for the arrival of the hosts -- the improbably named Mr. and Mrs. U.N. Owen -- the weather sours and they find themselves cut off from civilization. Very soon, the guests, each struggling with their conscience, will start to die -- one by one, according to the rules of the nursery rhyme 'Ten Little Soldier Boys' -- a rhyme that hangs in every room of the house and ends with the most terrifying words of all: '... and then there were none.

Ichabod Crane is resurrected and pulled two and a half centuries through time to unravel a mystery that dates all the way back to the founding fathers.

In a mystical and dark city filled with humans, fairies and other creatures, a police detective investigates a series of gruesome murders leveled against the fairy population. During his investigation, the detective becomes the prime suspect and must find the real killer to clear his name.

A serial killer thriller told in reverse, unravelling the truth behind a series of murders as DCI Gabriel Markham hunts down a brutal killer.

In the small bordertown of Villefranche, lost in the heart of a large forest, crime rate is six times higher than elsewhere in the area. Each new crime Major Laurène Weiss solves with the help of her unusual team makes her sink deeper and deeper into secrets of the area.

An intense and fictionalized account of actual events and people surrounding Lizzie’s life after her controversial acquittal of the horrific double murder of her father and stepmother in 1892.

An earthquake in the north uncovers a large hole in a nature reserve. Inside the hole, three human skeletons are found. The plot thickens when DNA tests reveal that the DNA belongs to three living people...

The black sheep of the Argyll family, Jack Argyll, was accused of murdering their matriarch a year ago, but now a man shows up on their doorstep claiming Jack’s innocence. The family must come to terms with this news and the fact that the real killer might still be among them.

Sleuthy foster siblings Max, Tess, Sal, Anika, and Daniel Hunter find new quests, more mysteries, and even new Hunter sibs!

Like most families that settle inside The Gates, the Monahans are unmoored from a complicated life they abandoned in Chicago. There's something very different about this place, almost... haunting. Named the new police chief of The Gates, Nick Monahan is about to be tangled up in a mystery where he will begin to piece together the dark truth about their new home, and the supernatural elements that lurk behind the shadows of The Gates.

When Sofia Karppi, a detective in her 30's who is trying to get over her husband's death, discovers the body of a young woman on a construction site, she triggers a chain of events that threatens to destroy her life again.

A sexy, suspense-driven legal thriller about a group of ambitious law students and their brilliant, mysterious criminal defense professor. They become entangled in a murder plot and will shake the entire university and change the course of their lives.