Five Einsteiners and three peppercorns from Hamburg experience unforgettable holidays together. Io (Clara Jaschob) and Joyce (Matilda Willigalla) from "Schloss Einstein" secretly stay at their boarding school in Erfurt during the holidays. But suddenly there is a break-in at night. They then decide to go hunting for criminals themselves.

When Willi's father is abducted and is only released for a valuable statue from his art collection, Tim is the only one who believes Willi that the police are on the wrong track. Together with the smart policeman's daughter Gaby and the highly intelligent outsider Karl, they start to investigate on their own. Against all odds the four discover a conspiracy. In the course of their first big detective adventure they grow together into a committed community, and so Tim, Klöschen, Karl and Gaby become the band TKKG.

Die Pfefferkörner is a German television series produced by Der Kinderkanal. The peppercorns are five friends from Hamburg: Jana Holstein Coutre, Natasha "Tascha" Jaonzäns, Philip "Fiete" Overbeck, Cem Gülec and Vivien "Vivi" Overbeck, Fiete's eight year old sister. After school, the young detectives meet at a high level of a spice warehouse of the company Overbeck & Associates, which belongs to Fiete and Vivi's parents in the first part, but is later given to Fiete and Vivi to look after. Here, in the historic warehouse district, the five friends have their headquarters. With smarts, combined delivery and support of the Internet, they find their cases here. The detectives convict polluters, animal dealers and drug smugglers. They also help each other with personal problems they encounter. Cem has lost his parents in a car accident and sometimes feels sad and lonely. Jana lives with her divorcee mother, a lawyer who is rarely at home. Natasha comes from Latvia. Her parents initially have very strict rules in terms of her education, that make Natasha unhappy. Fiete has problems showing his feelings and hides them behind grumpiness and hostility towards girls, until he falls in love with Natasha. Vivi is suffering from her role of the youngest member of the group. She believes that she must constantly struggle for recognition.

Die Pfefferkörner is a German television series produced by Der Kinderkanal. The peppercorns are five friends from Hamburg: Jana Holstein Coutre, Natasha "Tascha" Jaonzäns, Philip "Fiete" Overbeck, Cem Gülec and Vivien "Vivi" Overbeck, Fiete's eight year old sister. After school, the young detectives meet at a high level of a spice warehouse of the company Overbeck & Associates, which belongs to Fiete and Vivi's parents in the first part, but is later given to Fiete and Vivi to look after. Here, in the historic warehouse district, the five friends have their headquarters. With smarts, combined delivery and support of the Internet, they find their cases here. The detectives convict polluters, animal dealers and drug smugglers. They also help each other with personal problems they encounter. Cem has lost his parents in a car accident and sometimes feels sad and lonely. Jana lives with her divorcee mother, a lawyer who is rarely at home. Natasha comes from Latvia. Her parents initially have very strict rules in terms of her education, that make Natasha unhappy. Fiete has problems showing his feelings and hides them behind grumpiness and hostility towards girls, until he falls in love with Natasha. Vivi is suffering from her role of the youngest member of the group. She believes that she must constantly struggle for recognition.

Martina is a successful neurosurgeon, happily married and mother of a pubescent daughter. She has everything under control - until she is raped by Mischa, the son of her best friend Jutta and her husband Torsten, while on a joint family vacation. When Martina's husband Andi tells her friends about it, Martina has to face not only her trauma, but also the reactions and opinions of others.