"Oh Lucy" follows Lucy David, a woman who is unaware she suffers from multiple personality disorder. As she tries to rebuild her life after a tumultuous divorce, she is haunted by deep emotional pain and negative feelings. This gripping narrative delves into Lucy’s struggle with her condition and the enduring impact of her emotional turmoil. As Lucy David attempts to forge a new path, she is confronted by unsettling pieces of her past, including a series of murders and a serial killer on the loose. Through her journey, Lucy learns that escaping her past is not an option, and true freedom requires facing her inner demons.