Sociopathia tells the story of Mara, a demented movie prop maker and also a new breed of psychopath. Turning her victims into “living dolls”, Mara begins to lose her grip on reality when she falls in love with fledgling producer Kat. When her dolls begin demanding all of her attention, and Kat threatens to break her heart, Mara spirals into psychosis, leaving her no choice but to kill again.