When one of her students is suspected of theft, teacher Carla Nowak decides to get to the bottom of the matter. Caught between her ideals and the school system, the consequences of her actions threaten to break her.

10-year-old Lucy is basically too good for this world. She is well-behaved, kind and perfect in every situation. Her best friend Rima and she herself want to make the world a little better with every little action. But then disaster threatens: Lucy’s parents run an ice cream parlor, and when the expensive ice cream machine breaks down, the parlor is threatened with closure. Lucy wants to prevent this at all costs. However, after much deliberation, she sees only one way to get money quickly: a bank robbery. To prepare for her big coup, she makes a deal with the class gangster Tristan. Under the code name “Operation Lucyfer”, he is supposed to teach her how to be mean and ruthless. So Lucy gets tutored in stealing, lying, cheating and blackmailing – and proves to be an amazingly docile student. Lucy barely recognizes herself. Her transformation from nerd to crook, however, causes many problems.

The whole country wants an end of the drought. Maren has even more reason to wish for rain, her austere father,the rich hay farmer Iven, will approve her marriage with her beloved Andrees only if the rain falls before the next sunset.

Single parent Mona Doermer travels to the Baltic Sea with her two children Tom and Marlen. The mentally unstable mother and the children, which are alarmingly mature for their age, form a strange team that many in the coastal town notice - including the young Commissioner Greta. When little Marlen mysteriously disappears, there is great excitement. Greta, who feels strangely connected to Mona, does everything she can to find the missing girl and to discover the dark secret of the mysterious stranger.

Four former classmates, Philipp, Leonie, Timo and Yasmin arrange reunion over the weekend in one of Philipp's properties. Philipp's wife and daughter are also present. The weekend ends in bloodbath however, with three people dead and the suspect in coma. Two years later Leonie's mother asks the former classmate of the alleged murderer, Doro Kagel, to reopen the case. She would never trust her daughter to do such an act, and even Doro starts having doubts that are only reinforced by the silence of the survivors.

They failed as a couple, but as parents Julia and Tom share custody of their daughter Anni after their divorce. Driven by her hurt feelings, Julia begins to systematically alienate the girl from her father.