When Imogen Bly's mother suddenly passes away, she leaves her Seattle apartment and returns to Lake Blair. After Imogen and her twin sister Amelia arrive, ready to pack up their mother's home, strange things begin to happen, reminding Imogen of her long held feelings of dread surrounding her hometown. Imogen enlists the help of her neighbor Rory, to uncover the truth about her mother's death. But is the boy who got away really the man with something to hide? Or is the suspicious neighbor in the house across the lake behind it all? When Imogen’s own family’s tragedies lead her to question the disappearance of a local young woman the previous year, her persistent unease becomes terrifyingly real and suddenly nowhere feels safe...