Everyone here is lying…

Expert on body language and memory, and consultant to the Oslo Police, psychologist Kari Voss sleepwalks through her days, and, by night, continues the devastating search for her young son, who disappeared on his birthday, seven years earlier.
Still grieving for her dead husband, and trying to pull together the pieces of her life, she is thrust into a shocking local investigation, when two teenage girls are violently murdered in a family summer home in the nearby village of Son.

When a friend of the victims is charged with the barbaric killings, it seems the case is closed, but Kari is not convinced.
Using her skills and working on instinct, she conducts her own enquiries, leading her to multiple suspects, including people who knew the dead girls well…
With the help of Chief Constable Ramona Norum, she discovers that no one – including the victims – are what they seem. And that there is a dark secret at the heart of Son village that could have implications not just for her own son's disappearance, but Kari's own life, too