Episode 1
15 passengers are found frozen to death in a bus. They wear festive clothes, but did not know each other. Sandra Winckler starts an investigation.
Episode 2
Where did the bus come from? A man frozen to death and a missing woman who just had a baby. The case reminds Officer Winckler of a case ten years ago.
Episode 3
At a wind turbine, the body of a young woman who just gave birth is found. Sandra believes another bus will be found in the surrounding area.
Episode 4
For safety reasons, Sandra may be taken off the case. She refuses to step down. Catherine thinks she found the killer, but Sandra is not so sure.
Episode 5
Antoine is kidnapped, probably by the unknown killer. Sandra and Catherine devise a plan to get Martin Souriau to lead them to the killer.
Episode 6
Sandra investigates the orphanage where the killer lived as a child. She has a list of names and decides to track all children down.
Episode 7
Sandra is captured by the killer, who wants to 'marry’ her. The ceremony consists of killing her previous partners and lovers.
Episode 8
In the season finale, all questions are answered. Can Sandra prevent the wedding? Will Catherine find her missing baby? And who is the Minotaur?