On March 21st, 1945, the British Royal Air Force set out on a mission to bomb Gestapo’s headquarters in Copenhagen. The raid had fatal consequences as some of the bombers accidentally targeted a school and more than 120 people were killed, 86 of whom were children.

Haunted by visions after her sister vanished with her classmates 21 years before, Astrid begins an investigation that uncovers the dark, eerie truth.

A series of mysterious disappearances in 1987 are all eerily connected to the same person.