Easter 1974 a family vanishes. Only one year old Ebba is left behind. She is adopted and now aw an adult she and her husband, Tobias, decide to renovate the old boarding school in which her family had lived. As Patrick Hedstrom and his wife, crime writer, Erica Falck work the cold case of the missing family, thy meet tragedies from the past. As it happened, the teenage son killed his tyrannical father. A group of students kill the son. The mother disappear with Leon, a student. Bodies are buried in an old bomb shelter. Ebba's husband becomes mentally disturbed and tries to kill Ebba and Anne, Erika's sister.
