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死亡医生玛丽
In season 2, Mary plummets deeper into the criminal world as she searches for a steady supply of pentobarbital, the highly regulated and highly lethal "death drug." As she becomes more entangled in her illegal work, Mary continues to risk her family and career as she tries to keep her worlds separate. But when the mysterious Olivia Bloom approaches Mary and her partner Des with a lethal request, and when Mary crosses unexpectedly with Detective Ben Wesley, she realizes her secrets can only be hidden for so long.
德斯蒙德出狱给玛丽带来一连串新的麻烦；一个与格莱迪有瓜葛的人对她的地下业务构成了威胁。
当奥利维娅试图勒索玛丽，玛丽卷入了愈发危险的猫鼠游戏中，再难脱身。
玛丽与本站到了一条战线上联手扳倒奥利维娅——然而她又一次背叛了他。玛丽与德斯对付特拉维斯，此时玛丽家中，杰西正在举办一场一团乱麻的派对。
娜奥米和杰西因派对事件被惩罚而捆绑在一起时，她差一点就把母亲的地下秘密对杰西和盘托出。
一切似乎风平浪静：本宽恕了玛丽，玛丽和德斯决定推进"死亡静修院"计划。唯一令玛丽坐立不安的是——女儿杰西恨她入骨，对她的每一句话都不愿相信。
玛丽采取了一个大胆行动想要彻底打倒奥利维娅，然而一连串意料之外的变故令她骤然迟疑——她发现奥利维娅或许并非眼前真正的敌手。本与玛丽的黑暗面正面交锋，自此坠入深渊。
