Gattaca

He has assumed the identity of Jerome, a former Gattaca officer. Gattaca is a 1997 American dystopian science fiction film written and directed by Andrew Niccol. Meanwhile, a manager in Gattaca was murdered, and the police were on Vincent's tail, but Vincent cleverly eluded them. Later, he revealed to the police that the man behind Vincent's disappearance was his brother Anton, who had left his home and joined Gattaca years before. Anton forbids him from assuming another person's identity, which is an illegal act. Anton saves him because Vincent again wins the swimming competition.