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.
Watch the full Devil You Know movie online at no cost in high-definition (HD) quality. No downloads needed—simply click to play and experience the excitement with English subtitles included for your convenience.