During the Sneekweek there arrives a threatening letter at the headquarters. If certain requirements are not satisfied, there will be for the thousands visitors a deadly consequences. The team does everything to identify the sender of the letter and prevent an attack committed in Sneek.

In Leeuwarden there's a wooden box found with a amputated man's hand. Short after this there is found a second box with another part of a man's body. The detective team does everything what's possible to prevent even more boxes. But who is the perpetrator and what does he wants?

Fenna is in bad shape. She sits at home and it seems no one to contact her. As one of the other detectives announce to leave, Carla sees her team slowly disintegrate. Then Leeuwarden startled by a winding-reaching consequences.

When the owner of an auction house is killed, all traces appear to die. Only Evert has another point of connection, but does he choose for love or for his work? Carla appears to be in the race for a top job, but makes her sharper than ever.

The car of a young woman has been driven to a tree along the side of the road, but the driver misses every track. Nobody knows if she's hurt and where she is now. Then there will be a very strange movie on the internet. The young woman is pictured with a strap around her neck. And next to her is a counter. If the counter is 0, then it is suspended

The police are being tipped that an infamous assassin is located in a nearby hotel. The team will keep a close eye on the assassin from that moment on. When this man goes on, it seems like he is going to run an execution. But then the roles have been reversed!