Bongwater (movie, 1997)

David is an artist and a pothead. He's fallen in love with the beautiful and sexy Serena, and things are going simply splendidly until poor David's house burns down. Serena doesn't need the bad vibes, so she splits the scene and runs off to New York with rocker and junkie Tommy. Lonely David finally turns to the sweet, sweet comfort of marijuana and his strange menagerie of friends to forget about his lost home and love