Confessions on the 7:45 ( - …)

The series is based on the eponymous work by Lisa Unger. The story revolves around Selena Murphy, a young working mother. She strikes up a conversation with a random fellow passenger while traveling on a train. As they talk, the woman shares the details of her romantic relationships with Selena. Once their paths diverge, mysterious events start happening in Selena's life, eventually leading her to encounter the enigmatic stranger again.