Mary Kills People

T03:C01 - S03:E01 - The Key to Faith

Five months after Mary and Olivia evaded the police in the carwash, the case against Mary has been shelved and Olivia is out of her life. Mary now operates Joys a secluded hospice where she and Des can tend to terminal patients without fear of discovery and is expecting a new baby. Things are seemingly ideal, but Mary is frustrated by Dess system and the small number of people shes permitted to help, and shes been secretly seeing terminal patients on the side. In Marys mind, its a risk worth taking, but her worst fears are realized when one of her outside deaths is interrupted by a witness, a woman with a dark secret of her own. And unbeknownst to her, a young detective starts looking into her involvement with the patients death and approaches the former lead detective on Marys case for more information Ben.