Sisters (2006)
Sisters is a 2006 independent horror film directed by Douglas Buck. It is a remake of the 1973 Brian De Palma film of the same name. The film stars Stephen Rea, Lou Doillon, and Chloë Sevigny in the leading roles, with Dallas Roberts and JR Bourne playing supporting characters. The story centers on a news reporter (Sevigny) who, after witnessing a murder, becomes involved in a crime investigation surrounding a mysterious doctor (Rea) and one of his former patients, a young French woman who was born with a Siamese twin.
More at Wikipedia.