Coliandro answers the mysterious phone call from a sensual female voice, telling him that a bomb is ready to explode unless he—and he alone—runs to defuse it. But there's more than one bomb ready to explode.

Coliandro is contacted by a girl who needs help: her boyfriend disappeared after stealing a smartphone and finding footage of a gang of Russian criminals inside. The young woman turns to the inspector because she often hears him mentioned by her aunt, the deputy prosecutor Longhi, who however believes that Coliandro is not a good policeman.

A war between mafia clans appears to have broken out in Bologna. Around the same time, Nikita, a young woman working as a delivery driver, finds €250,000 in cash in a package. Frightened, the young woman goes to the police station where she meets Inspector Coliandro, who begins investigating.

Officer Gargiulo shows up at Coliandro's house in the middle of the night, drunk and with a bloody knife in his hand: the inspector tries to reconstruct what happened, but it doesn't seem easy.

While maintaining order at the city stadium, Coliandro and Officer Balboni arrest a football fan who had tried to stab a policeman. Terrified by the thought of ending up in prison, the boy cooperates and provides the police with some important information.

After shooting two teenagers, Coliandro is forced to see a beautiful psychologist at the Ministry, who is dedicated to helping those officers most likely to use firearms.

Coliandro has to pose as a taxi driver for a trivial public safety operation, but a beautiful "crazy" woman climbs aboard and the situation changes radically.

Chief Inspector Vittoria Martello asks Coliandro to join the "Team", a team of superpolicemen who are opposed by Gamberini and other colleagues for their brutal and unorthodox ways. And in fact, thanks to Coliandro's entry into the Team, it turns out that the group is nothing more than a new gang of drug dealers and exploiters inspired by the action of the Banda della Uno Bianca.

After a fall, Coliandro loses his memory and temporarily becomes a real tough guy, teaming up with a young nerd in the hunt for a gang of international terrorists.

At the police station, Coliandro meets Asmareth, a young and beautiful Eritrean cultural mediator who works for the police. Believing her to be an illegal immigrant, Coliandro makes one blunder after another. To gain forgiveness, he agrees to help her with an investigation she's conducting into illegal work. Coliandro and Asmareth thus expose a gang organizing "manhunts" for bored, wealthy provincials.

Coliandro meets Francesca Maria, the elegant and refined museum curator who, with her seductive skills, always gets what she wants. Dazzled by her, the Inspector must confront Masino, an unscrupulous art dealer with a disturbed personality.

Coliandro meets Thea, an ironic and provocative investigative reporter who, together with "Cinno", a young hacker, is investigating the affairs of Roman Kolas, an Uzbek entrepreneur who, under the guise of philanthropy, conducts very shady business.

A young black girl is killed during what appears to be a voodoo ritual. Coliandro is assigned to care for the victim's sister, who has arrived in Bologna from Africa.

While Trombetti was taking his niece Angelica home, accompanied by Coliandro, his car was rammed by a scooter driven by a Chinese boy who immediately disappeared into thin air.

A young Muslim girl shows up at Coliandro's office to report her father's sudden and mysterious disappearance. Reluctantly, the inspector nevertheless decides to investigate the matter around town.

As punishment, Coliandro has been transferred again, this time to the tedious canine unit. His sister comes to visit him, deeply concerned about her daughter Angelica, who is dating a boy associated with a satanic cult.

The husband of a former professor from Coliandro is murdered inside the University of Bologna. The woman is accused of the murder because of her husband's constant escapades: could this really be true?

In the trial against the Casalesi clan boss, the Bologna prosecutor's office must rely on the testimony of Jelena, who is now under protection. Coliandro, still in love with the woman, learns of her new cover and decides to visit her. There, however, he must contend with two seasoned killers.

Investigating the death of his cleaning lady's nephew, Coliandro uncovers an extreme fighting ring involving a series of wrestlers who are systematically drugged to relieve pain and fatigue. Helping him unravel the case is Veena, a beautiful and athletic fighter who escaped from this group of modern-day gladiators.

Coliandro must defend Remedios, a beautiful deaf girl, the only witness to the trafficking of a Latin American gang.