The shy detective Serafim Schröder is still relatively new to the police force. That's why he doesn't yet know all of his employer's rules and regulations and "borrows" a confiscated BMW to impress the attractive student Maria. She is very impressed, not only by the fancy car, but also by the fact that Serafim is a real cop. When Serafim accidentally gets on the trail of a crime and Maria sees him at work, his reputation with her increases considerably...

14 years old Natalie seems to live in a completely healthy and wealthy family. However she feels lost: her parents spend most of their time for her younger, sick sister. So she grows more and more lonely. After an argument with her father she runs away from home. In her quest for care and nearness, she ends up with souteneur Nico.

Lukas is 15 years old. His parents are separated and he cannot really come to terms with Karsten, his mother Beate's goal-oriented and career-oriented friend. Lukas would much rather move in with his father Jochen, who runs a car repair shop. In general, Lukas is not particularly successful in life, and he hardly finds any recognition among his peers. When Lukas' father wants to celebrate a business success with his son, the 15-year-old learns to appreciate alcohol for the first time. In his clique, too, alcohol is taken for granted. And suddenly everything seems so much easier to Lukas when he can just drink his heartache and worries away. He's also getting a little braver, because he wants to get closer to the attractive Sylvia. But Lukas has no idea what the consequences of excessive alcohol consumption can be.

Professional diver Sven has a guilty conscience: his job means he has too little time for his family. He even almost misses the cruise ship on which he is supposed to look after their daughter while his wife does research for an article about the ship. But then terrorists take over the MS SeaStar and take Sven's wife and daughter hostage. They threaten to blow up the entire ship.