Former secret government agent Max Hecker (Sven Martinek) disguises himself with a clown mask in order to fight international crime. He hangs up his mask when one of his supporters, journalist Claudia (Diana Frank), is murdered. Four years later, he must put it back on as Claudia's sister Leah (Eva Habermann) is kidnapped by the same people that killed Claudia.

Two young crooks steal fabric, which is of course sorely missed. In addition to the former owners, an investigative journalist and a bad cop who smells a windfall are also on their trail. Meanwhile, a newly released con is forced by his ex's pimp to go back to the deepest depths. There he meets a former doctor who smuggles drugs for the mafia in order to send money to his daughter, whom he thinks is at home in Grozny, but who is actually working for the mafia just a few houses away.

The young investment banker Elena Wagner is the star at the Ahrends & Oppermann bank in Frankfurt. She loves her job and subordinates everything else to it. She even ends her relationship with IT boss Marc for her work. Suddenly, however, she is excluded from meetings and her boss, Dr. Ahrends no longer wants to receive her. She only has a little time to get to the bottom of the matter with her ex-boyfriend Marc and save her own existence.

A 14-year-old girl is found murdered in the park. As the police suspect a sexually motivated crime, ‘Die Sitte’ is called in - a special squad of the criminal investigation department. Public prosecutor Marion Brandt, detective Hannah Koch and detective Leonard Winkler question the family and investigate the dead girl's circle of friends. Behind the façade of an ideal world, they come across a thicket of feelings of hate, love, envy and jealousy.

A woman who has grown estranged from her husband and is despairing of her life as a housewife takes a job as a sexworker after some initial hesitation. Since she performs her services in disguise, her anonymity is assured; but when her own husband suddenly seeks her services, the full extent of their marital misery is laid bare.