Plot Synopsis

FEAR THY ROOMMATE is a one-hour crime docuseries takes viewers behind the closed doors, telling the stories of real people who took a leap of faith and moved in with a stranger -- only to find themselves living with a psycho. Using first-hand testimony about cases where cohabitation became claustrophobic, each 60-minute episode follows two people who take the blind leap of faith and decide to move in with a relative stranger. It seems like a great idea at first, but then small disagreements about dirty dishes and empty milk cartons bring out the worst in one another. Before long, they learn how quickly the festering animosity can morph into fear and loathing when nothing separates you but a few inches of drywall. The tension escalates until disagreements erupt into acts of violence, leaving an ominous warning: be careful who you live with.
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On Thursday, February 18, 2021 at 10pm ET/PT, Investigation Discovery premiered "Not in My House," the season finale of FEAR THY ROOMMATE. A mother and daughter rent out two rooms of their house to old family friends. But as the new roommates grow closer, alliances start to shift and tempers flare until it all comes to a bloody end.