When a body of a woman is discovered at a lighthouse in the Icelandic town of Akranes, it soon becomes clear that she’s no stranger to the area.

Chief Investigating Officer Elma, who has returned to Akranes following a failed relationship, and her collegues Sævar and Hörður commence an uneasy investigation which uncovers a shocking secret in the dead woman’s past that continues to reverberate in the present day.

But as Elma and her team make a series of discoveries, they bring to light a host of long-hidden crimes that shake the entire community. Sifting through the rubble of the townspeople’s shattered memories, they have to dodge increasingly serious threats and find justice...before it’s too late.