A psychological thriller film is proposed that follows an unknown man as he stalks and brutally attacks a young woman in the subway. The opening scene establishes the man taking covert photos of the girl and shows that he has extensively documented information about her life. This is intended to draw the audience into trying to uncover the identity of the mysterious antagonist and understand his motives for killing the girl. The film is aimed at audiences 16 years and older due to its disturbing content.