A man in search of his son: Adil Bahdari comes from Berlin to Passau after a fisherman finds an expensive watch with a dedication on the back on the banks of the Danube. The watch was a gift from Adil Bahdari to his son Ahmed, whom he has not heard from for some time. He hires private detective Ferdinand Zankl to search for his son.

There is a fire on Usedom: Karin Lossow's thatched-roof house is on fire. She manages to escape from the house at the last moment with Ellen Norgaard's help. Karin has suffered smoke inhalation and is immediately taken to hospital.

The committed public prosecutor Judith Schrader is once again fighting against organized crime in Berlin. She is not only investigating two opposing rocker clans, but also against vigilante justice in the ranks of the police. During an operation in the rocker environment, a young woman is kidnapped as a hostage and murdered, which is why public prosecutor Judith Schrader requests a prison sentence for the two defendants in court.

Willibald Adrian Metzger restores old furniture, the beauty of which he admires with a good glass of red wine. The amiable loner visits his customers by bicycle because he does not have a driver's license. Usually he only pays attention to old cupboards and chests of drawers, but this time something else piques his interest: a beautiful woman bathing in a lonely mountain lake. The sight promptly knocks him out of the saddle - especially since it is his unfulfilled childhood love Danjela Djurkovic. She doesn't seem to recognize him anymore, because she is only interested in the macabre find at the place where they meet again: a severed finger that is stolen by a bird of prey in the next instant. Is that a dream Willibald and Danjela have a common goal, the Hotel "Sonnenhof" - from whose pool the corpse of a guest has just been fished. The police assume an accident. But before Willibald knows it, the curious Danjela has taken a farewell letter and the dead man's cell phone.

For 25 years, restorer Willibald Adrian Metzger has heard nothing from his former schoolmates. Then he suddenly stumbles - quite literally - over the corpse of a former classmate who had bullied him in a cruel way in his school days. When Metzger arrives at the scene with the police, he can't believe his eyes: the body is gone. Against his nature and spurred on by Danjela's curiosity, the former eccentric organizes a class reunion to uncover the cover-up of the bloody deed. His former classmates are astounded by the eloquence of the actually shy outsider, who uses his sharp mind and great powers of deduction to twist their words around in their mouths...

After sleeping with Sharif, an engineer from Kashmir, the young and naive Lisa leaves his apartment without a comment. Six weeks later, they meet again and fall in love. Although Lisa feels totally happy, she doesn't tell Sharif about her pregnancy. On the other hand, he keeps secret that his brother Tajjab came to Munich and forced him to commit a terrorist attack. They both were soldiers of the Muslim liberation army in Kashmir, but Sharif left his home country to study in London. Little by little, Lisa discovers the truth about her boy-friend and tries to prevent the worst...