On Fenna Kremers's first day as a detective in Leeuwarden, an offender escapes. It seems that this man would like revenge and there threatening to fall some victims if he don't found fast enough. Fenna's idiosyncratic way of working is not by all her new colleagues in the taste.

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.

Bram and Fenna travel to Vlieland when there's a body of a young man wash ashore. At first they suspected that the victim was beaten overboard. But then they discover that the boy had a reason to visit Vlieland. He was looking for something and he wasn't the only one.

During a burglary at a secondary school a locker is stolen, containing the national examinations that are about to begin. If the investigation team don't found the locker enough, there will be implications for thousands of high school students. Because of time pressure, tensions within the investigation team are high.

The brothers Carlo and Olivier were held responsible for numerous violent crimes in Friesland for years. Until one day they disappeared and nobody heard anything from them. It seems that the brothers are back, when there find a violent raid takes place in a restaurant. And they came back for a special reason.

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?

A boy and girl of seventeen are not returned from sailing at the IJsselmeer. The task for Fenna and Evert to immediate their family on the height. If the girl fished later that day she is still alive and well, meanwhile Fenna has discovered that there are strange things going on within her family.

In the Thialf Stadium is a charity hockey game between two teams but it is overshadowed by the murder of two boys from the youth selection. The offender is already arrested, but Fenna has serious doubts whether this man actually did it. Then there arrives someone from the past and again there lives at stakes.

A dangerous criminal knows to escape during a transfer to Leeuwarden. If it appears that this man played a role in the history of Fenna and he now may be on its coined. The pressure to find this man grows. Through all this, Fenna confronted with memories she rather forget.

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.

At a hotel in the center a suspect briefcase was found in front of the entrance. The team suspects that there are explosives in the suitcase and evacuate the neighborhood. Meanwhile, Evert has a new girlfriend, but she is not limited to Evert.

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.

During partying, more and more young people are the victims of false xtc pills that turn out to circulate. The team puts everything on everything to find out where these pills come from. Meanwhile Menno takes an important decision in his life that will keep him chasing for a long time.

On a construction site a coffin is found during excavation work involving the body of a woman who has been missing for years. All traces indicate that they are buried alive. Then several boxes are excavated in the same area. Fenna and her team find out that a serial killer buried his victims alive, who has dumped for years. Then, Commissioner Vreeswijk suddenly disappears. Has she become the victim of this ruthless killer? And can she still be saved?

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

A drunk man gets caught behind his wheel near a petrol pump. The man appears to have a firearm on his lap and everything seems like he was planning to rob the pumping station. The man is brought to the police station, which shows that Bram knows this man very well.

A woman is shot in the parking lot of a cemetery. The woman appear to be the black sheep of a wealthy family and has a relationship with the owner of an illegal poker club.

Early in the morning a navy man is killed in a park. When Fenna and Menno go for a visit to their house, they know to catch a burglary. The burglar knows what to escape, but what did the burglar look for and are there any connections with the murder and the burglary?

After a twin is missing, the team suspects that a gang of child traffickers are active. Evert and Fenna go undercover to arrest child traffickers.

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!

A parachutist is getting stuck on a terrace when his parachute is not opened. Carla and her team must investigate whether it's an accident or a parachute tampering. Meanwhile, Fenna is too much with her thoughts with her father, which creates great tensions within the team that cause major consequences.

A young girl, killed by several knife sticks, is found dead in the forest. Research shows that she has received GHB, but she has not been raped. The team believes that the perpetrator was disturbed during his or her act. If the team investigates the case, everyone from the closed village community appears to hide something from the police.

A teenage girl is pulled into a recreational spa, but eventually does not get over water. Her friends instantly switch the police into, resulting in a major search. When there is a message that a body has been found at an adjacent lock, Fenna and Evert are going to look. However, this does not appear to be the missing girl, but a middle-aged woman.

On a hill a man's body is found attacked by a dog. The team must find out who the dog was and whether it is an accident or a targeted action. Meanwhile, Fenna has also had other problems, as an internal investigation has begun on its operation. This sharply reflects the team's relationships.

A girl forced to work in prostitution can escape from a car while driving. The police have a witness with her in the hands of bringing an infamous women trader to court. However, the girl is still too scared to go into details. If she then decides to talk, she will receive a text message.