Inquisitive journalist Grace Collier is horrified when she witnesses her neighbor, fashion model Danielle Breton, violently murder a man. Panicking, she calls the police. But when the detective arrives at the scene and finds nothing amiss, Grace is forced to take matters into her own hands. Her first move is to recruit private investigator Joseph Larch, who helps her to uncover a secret about Danielle's past that has them both seeing double.
Sisters is a 1972 American psychological horror film directed by Brian De Palma and starring Margot Kidder, Jennifer Salt, and Charles Durning. It follows a French Canadian model's separated conjoined twin who is suspected of having committed a brutal murder witnessed by a newspaper reporter in Staten Island, New York City.
