In this gripping drama directed by Tobias Lindholm, the story follows Amy Loughren, a compassionate nurse who becomes entangled in a chilling investigation when she suspects her colleague, Charles Cullen, of being involved in a series of mysterious patient deaths. The film stars Jessica Chastain and Eddie Redmayne, whose performances bring depth to this tense narrative based on true events. The movie delves into themes of trust, morality, and the complexities of the healthcare system. For those interested, it can be viewed on 123Movies / Movies123 for free.