The investigation into the Vizee family is being handled on a large scale. The money flows are being mapped out, and during a search of the soccer club, they find the possible weapon used to murder the two chemists from the drug lab. Meanwhile, Fleur suddenly appears in Maastricht with her new boyfriend. She appears to be involved in some way with the Vizee family's money flows. Reason enough for Mechels to take Wolfs and Eva off the case. But it turns out she is too late.

Wolfs and Eva are assigned a case involving two bodies found in barrels of chemical waste. The bodies are severely mutilated, but Wolfs and Eva manage to find out where the boys ate on the day of their death. The phone number they gave for the reservation leads them to the Vizee family. However, there is no hard evidence of their involvement in the murder. Romeo receives a commendation from the police force leadership. Latisha is in on the plot and will lead him to the police station. However, Marion has her doubts about Latisha when she sees her on the street, dressed very differently than she is used to. She discovers that Latisha may have very different motives for her relationship with Romeo.

A child disappears from school. His father is a surgeon. Eva and Wolfs quickly find a lead to a former ambulance worker. The worker, a Moroccan man, has kidnapped the child to force the surgeon to help his grandson from Morocco get a new kidney. Wolfs and Eva uncover the circumstances behind the kidnapping and want to arrest the Moroccan man at the private clinic where his child is receiving a kidney from a traffic accident victim. But the Moroccan man manages to exchange Wolfs for the surgeon's child. He threatens to kill Wolfs if he is not given safe passage to Morocco. His colleagues must do everything they can to find him in time.

A popular vlog showing a spectacular murder is quickly taken offline, and Wolfs and Eva are tasked with finding out whether it is a stunt. But when they finally find the vlogger's address, it turns out that the gruesome murder is real. The fans of the vlogger, a boy who had a sex change to become a girl, are devastated. The respectable, well-known businessman who finances the vlog claims to know nothing about it. But why does he spend so much money on the vlog? Romeo is in the hospital, narrowly saved by the services that had an arrest unit ready for the terrorist cell. He is lovingly cared for by his girlfriend Latisha and Marion. Marion also gets into another argument with an old acquaintance, former colleague Joe Verwaayen.

The director of a women's shelter is murdered. All the men the women fled from are suspects. Wolfs and Eva soon discover that there is more going on. Romeo's friend who went to Syria is acting suspiciously, which Romeo reports to the AIVD. When he hears nothing back, he decides to investigate on his own. This strengthens his belief that the men are planning something. Despite Marion's warning to leave it to the authorities, Romeo goes after the men on his own.

During a check, explosives are found in a car. The occupants say they are money mules and know nothing about the explosives. They have to deliver the package to a hotel, but they don't know to whom. Is this related to the returned Syria fighter who is keeping an eye on Romeo? Wolfs and Eva go undercover and take on the role of money mules. It soon becomes clear that the explosives are needed for a major robbery. Will Wolfs and Eva be able to prevent it in time? Romeo's returnee has started a laundry business with a number of others. But Romeo still doesn't know if he can trust him.

A café owner, who is also chairman of the local political party, is found murdered after his party is hijacked by an old acquaintance of Eva and Wolfs: Bea Middelkoop. She is the woman who was convicted at the time for money laundering and complicity in the death of Eva's husband Frank. Bea has taken over the party with the help of a large number of new members. All of them are soccer players at the local club, which is sponsored by a family with a questionable reputation. Romeo and Marion are dealing with a possible insurance fraud case. A known fraudster claims that all his gold has been stolen. However, his young wife has a completely different story. Romeo wants to fine a girl. The girl uses her charm to get out of the fine. Meanwhile, sparks fly between the two.

Wolfs, who is still suspended, agrees to help a priest who is suspicious about the last two deaths in his monastery while awaiting his reinstatement. He joins the order. Together with Eva, he discovers that the two men were indeed murdered. Marion and Romeo are faced with reports from young women who have been harassed and robbed by a group of young foreign men. Wolfs returns to his position. Will he follow his daughter or will he stay in Maastricht?

While Eva is being held captive, Wolfs makes a gruesome discovery. When the weapon used to murder Bols' two bodyguards is found in the Ponti with Eva's fingerprints on it, things look bleak for Wolfs and Eva. Marion and Romeo risk being fired if they help them. Romeo's returned Syria fighter gets involved in a fight. Is he the peace-loving boy the other aid workers think he is, or is there more to him than meets the eye?

Wolfs is on the run because he is wanted for helping his daughter Fleur escape. He makes the shocking discovery that Eva has disappeared while guarding public prosecutor Jens Bols. Wolfs confronts Bols at the safe house. Wolfs manages to escape and, hunted by his own colleagues, begins a search for Eva. Romeo becomes the contact person for a returnee from Syria.