The Broken Mask (movie, 1928)

Pertio, an Argentine dancer, has a severely scarred face that has kept him from succeeding in his chosen career. He is persuaded by Caricia, an Argentine dancer who has become a star, to have a plastic surgeon repair his face. The surgery is successful and the two dancers team up both professionally and personally. However, the doctor who performed the operation has fallen madly in love with Caricia, and his determination to have her leads him to perform a procedure on Pertio that makes his scars reappear.