Ozan is a highly successful lawyer. With his success, he has become arrogant and insensitive. The events he experiences on his birthday turn his whole life upside down. The nightmares he experiences are leading him step by step toward an inevitable end. The only way to solve the strange and mysterious events that have befallen him is to come to terms with himself. Death's cold breath has begun to remind him of itself.

As a bodyguard at the BKA, Helen Schilling is responsible for the security of the controversial Minister of Economics and Environment Richard Bauer at a press event. When Bauer has a seizure in front of the journalists, it quickly becomes clear: the minister has been the victim of a targeted attack. In the course of the investigation, Helen becomes involved in a highly explosive plot, behind which a war for the dominance of future genetic research and its ethical limits is unfolding.

Two married couples are murdered by an unknown person, including the restaurant owners Sardini, whose daughter is the only survivor. She can't remember anything, but criminal psychologist Annett Schuster and profiler Jan Kawig think she is the key to solving the case.

When her son vanishes inside a US consulate, ex-special forces soldier Sara does everything in her power to find him — and uncovers a dark conspiracy.

79-year-old Georg Trapp draws his strength from peace and quiet. The retired philosophy professor enjoys being alone with his beloved books and his eccentric moods. However, his self-image begins to waver when he hires Sofia, a housekeeper. The 24-year-old asks questions that make the stoic think. As Georg compiles the invitation list for his 80th birthday, Sofia points out that true friends are missing among the attendees and dignitaries! Encouraged by her, Georg contacts his former best friend. Antiquarian Heinz is not only happy about the surprising reunion, but also encourages Georg to take a romantic risk: Henri, Georg's unrequited love, is a widow and now free for him! Now the former charmer finally plucks up the courage to pay his respects to the elegant lady. Conscious of his own failings, Georg even dares to intervene in Sofia's life without being asked..

After seven months in prison for kleptomania, Amelie looks ahead with hope and puts everything into a new start. But then everything turns out differently than hoped. Her husband asks for a break in their relationship, and she is to be excluded from her daughter's wedding because her future father-in-law fears for his re-election as mayor. Amelie feels lost—until the empathetic taxi driver Baris unexpectedly takes her in...