Berlin, 1932. The Weimar Republic is torn apart in the struggle between right- and left-wing extremists and Berlin is a powder keg. Nightclub singer Henny Dalgow get to know the Social Democratic congressman and Jewish doctor Albert Goldman, and the two become a slightly odd couple. Albert is a sworn pacifist after his experiences in the First World War. Contrary to his beliefs he agrees to act as courier for his brother Edwin, who belongs to a radical communist cell.

At dawn, the paramedics carry the body of a young woman from a villa in the Grunewald forest. Her name is Daisy, she was a successful medical student in her eighth semester. The plot jumps back a few days: Daisy has passed her pathology exam with distinction. Daisy's roommate Marie is celebrating the completion of her medical studies in the villa. A scandal breaks out during the party. Marie's boyfriend of many years, Bubi, flees from a petty bourgeois future at the side of the newly qualified assistant doctor. He leaves the party with a younger student. Despite her outward successes, she seems deeply dissatisfied, alternating between stimulants and tranquilizers and changing her sex partners more and more frequently. She now gets a particular kick out of making the abandoned Marie her lesbian lover.

A kidnapping case starts a dangerous game of cat and mouse for Berlin detective Martin Brühl in the world of illegal car racing. 19-year-old Tim Jatzkowski doesn't come home. At first this is nothing to worry about. But then his father, luxury car dealer Heiner Jatzkowski, receives a ransom demand. Martin Brühl and his team encounter a shocked mother and a rather shirt-sleeved father who thinks the police should do their job and find Tim. The detective tries to convince Jatzkowski to pay the ransom. Among Jatzkowski's regular customers, whom he supplies with tuned luxury sports cars, there are plenty with contacts to the Berlin clans. He decides against paying the ransom.

Germany, two days before the general election. In the popular talk show "Sechs gegen Neunzig", the shrewd presenter Frederic Neunzig offers the party candidates the opportunity to present their election platforms one last time. Harald Müllbeier, head of the temporary employment agency "Time for Talents", also sits on the panel as the voice of the people. While everyone is still fighting for their positions in the heated discussion, a woman storms into the studio and takes politicians and the company boss hostage.

The shy late twenties Torsten tile lives with his mother in a bleak Berlin slab. In the guise of his alter ego "Lux - Warrior of Light" he tries to make the world a little bit better. He distributes food to the homeless and helps out on his forays through the city wherever he can. A film crew accompanies him to make a documentary about the social engagement of the self-appointed real-life superhero. Jan, the director, is still looking for a donor. The resourceful producer Brandt shows interest, but on condition that he sees something spectacular.

Andreas wants Kim, but Kim wants something more. She wants a penis. She doesn't want to talk about this with Andreas. And when their best friend, Anna, moves in, it all gets to be a bit much. But if two people feel lonely around each other, can they be less alone when there are three of them?