Gemini

A successful doctor, Yukio's picture perfect life is gradually wrecked, and taken over by his avenging twin brother, who bumps off his family members one by one and reclaims his lover who is now Yukio's wife.

Gemini is a 1999 drama mystery movie directed by Shin'ya Tsukamoto, starring Ryô, Masahiro Motoki, Masako Motai. It holds an IMDb rating of 6.7/10 from 3,172 votes and runs 1h 24m.