Chris is depressed. In his opinion, his entrance exam for the police academy did not go so well. All other applicants seem to have coped better with the questions. Wolfgang tries to comfort his son. Jennifer accepts the mail for Armin and promptly has to pay money for a cash on delivery package and a reminder. Jennifer and Corinna worry about Armin's costly lifestyle. Jennifer decides to take control of his finances. To make matters worse, one of Armin's creditors shows up in the shared apartment and stubbornly demands his money. During physical education, there are always fights between Antonia and Laura. Laura's anger at her supposed rival grows ever greater. She wins her classmate Carmen as an accomplice. In the shower rooms of the sports hall, Laura and Carmen carry out a deceitful attack on Antonia.