A thrilling story of obsession and revenge. Malin lives with her husband and two sons on the beautiful island of Visingsö. She is the author of a popular blog in which she describes her perfect life - perhaps too perfect, according to some. When Elma, living under a new identity, needs to find a new temporary residence, Malin provides it for her in an inn house in her garden. But the presence of a threatened woman is not pleasant for Malin, as it evokes in her memories of terrifying moments she herself went through in the past. In addition, strange things begin to happen around her and her family - she feels as if someone is watching her. Is it just an appearance, or is the man who once threatened to destroy her life, the man she had to flee from, back?