In the Calmest of Waters - Part 1

When Nora Linde and her two children come to the beach one morning, she discovers a body in the water. At first, the police think it is an accidental drowning, but Detective Inspector Thomas Andreasson suspects murder.

In the Calmest of Waters - Part 2

Nora is on her way to a doctor's appointment because of her diabetes when she accidentally bumps into Thomas Andreasson. Nora contributes information that leads to a new lead, and despite her husband Henrik's protests, she becomes more and more involved in the investigation.

In the Calmest of Waters - Part 3

Nora and Henrik prepare the celebration of Henrik's parents' wedding day, but it all comes to an abrupt end when their children disappear without a trace. During the search, a macabre discovery is made that leads the case several years back in time.