Based on the novel by Camilla Lckberg, Erica Falk and her companion, Detective Patrik Hedstrm, are enjoying summer vacation on the coast. Erica is eight months pregnant and the heat is getting to her so the last thing the young couple wants to deal with is a new murder case. Patrik’s time off comes to a screeching halt when the body of a young tourist is found. When the remains of a woman killed years ago are found next to the dead tourist, everyone realizes this will be no ordinary investigation.