Des is happy to reteam with Mary following his stint in prison - but when a routine case leads to a devastating outcome, Mary questions whether she was better off fighting the good fight without him in control and unchallenged.
The series follows Dr. Mary Harris, a single mother and emergency doctor by day, who also moonlights as an underground angel of death - helping terminally ill patients who want to die and slip away on their own terms. So far Mary has managed to stay under the radar; but business is booming, and her double life is getting complicated. When her world starts to unravel, Mary realizes she's going to have to fight dirty if she's going to stay in the killing game.
Mary Kills People - The Means Synopsis and Schedule