New York software designer Allison Jones' life is on the rise, with a successful business, loving fiancé Sam, and a best friend nearby. However, her world is turned upside down when she discovers Sam's infidelity and ends their relationship. She advertises for a new roommate and chooses Hedra Carlson, who seems like a kindred spirit. But as time passes, Allie begins to notice strange behavior from Hedy, who may be trying to protect and mimic her due to a traumatic past experience. As Allie's relationships with Sam and her business client Mitchell become complicated, she starts to realize that Hedy's behavior may be a warning sign of a darker reality.

Single White Female
A homeowner's search for a new roommate takes a dark turn when the ideal candidate's unsettling behavior and foreboding presence threaten to shatter her sense of peace and comfort.