Stream the full Devil You Know movie online for free in crystal-clear HD quality. No downloads required—just press play and enjoy the action, complete with English subtitles for an enhanced viewing experience.
Kathryn Vale (Lena Olin) is a reclusive ex-movie star with a dark secret and a daughter hoping to follow in her mother's movie-star footsteps. When Kathryn attempts to make a career comeback, she is threatened by an anonymous blackmailer. The resulting events force Kathryn to confront the truth about herself and those around her.