Mary Kills People - Season 3, Episode 01: The Key to Faith
Trailer
The third season begins with new dramatic events in which Mary is being treated, where patients are kept in secret but one death seems to be the opposite of what he had previously planned. On the other hand, Mary is trying to send a message to Des that she will not jeopardize hospice as before, and Mary and Frances meet again but this time they meet an elderly patient with cancer, and Jess realizes that there is something unusual with Naomi.