The series follows criminology professor Mia van der Linden who chooses a small group of students to solve cold cases. But during their work they come across a case that they are suddenly no longer allowed to investigate by higher authorities. The group of students must use the law cunningly to find justice.
Jasmijn struggles with writer's block following a fatal accident. The only thing she keeps writing are letters to Wim, the victim's widower. However, he never replies. Jasmijn realises that she can't go on like this and leaves for Morocco, where Wim runs a hotel.
The three siblings Eva, Lieke and Maarten are going through a rough patch. Eva has cancer, but she doesn't want the rest of the family to know. She only confides in young Luke, a cancer patient in the same hospital. Her brother Maarten also has a secret: although he is married to Sanne, he has fallen in love with his friend Hugo and doesn't quite know how to deal with it. In Lieke's case, it is her father Ferry who is causing stress. Because he is not at all happy about his daughter's choice of partner.
In WWII's final years, a soldier in the German army, a British glider pilot, and a Dutch resistance fighter's paths intertwine. Their choices shape destinies, impacting not only their freedom but also that of others.