Computer scientist Dr. Mary Cameron is certain that love can be predicted with numbers and is not just fate. Her boss sees great success in this: the algorithm she has developed is to help singles find the right partner on the dating platform "Cupid's Match". Amanda and Zac are chosen as a promotional campaign, who, as a couple according to the algorithm
Petra Hoffmann is in her early 50s and pregnant. She is not carrying her own child though, but that of her daughter. Midwife Lena Lorenz has been looking after mother and daughter for a while and the pregnancy has been unproblematic thus far, but shortly before the birth the family starts to break apart.
The young Berlin anesthesiologist Nora is facing exciting times: her partner Eric makes her a marriage proposal and she has the opportunity to give her first important speech at an international congress in St. Petersburg. Nora goes to Russia, where she gets a frosty reception. The Russian pediatrician Andrej, who has been assigned to her as a personal companion, is not very enthusiastic about this task. So he puts Nora in a taxi soon. But then Nora is attacked and Andrej plagues his guilty conscience. Soon, the people are coming closer to the fight.
A new case for the cult detectives! Not by coincidence, a mysterious videotape falls into the hands of Jupiter Jones, Pete Crenshaw and Bob Andrews during Jupiter's birthday party in Rocky Beach. On it is a recording of Jupiter's long dead parents. In their message they want to communicate to their son the key to an especially tricky riddle.
The relationship between journalist Nina and her mother Eva has always been tense. One day Nina is supposed to be interviewing Richard Gere in Budapest. Her friend Flora and her mother Eva accompany her there. Flora succeeds in defusing the tensions between mother and daughter. Then Eva is suddenly admitted to the hospital. Nina's visit to her mother's sickbed is moving for both women.
16-year-old Sophie Reiner is living a happy life, but then her friend Karen is murdered after a visit to a disco. Sophie's perfect world is shattered. She falls in love with the charming detective Mike Kleist and begins a secret affair with him. When another of Sophie's classmates is murdered, the situation comes to a head. Finally, Sophie's father becomes the target of the investigation. But the murderer has already chosen his next victims: It's Sophie and her mother...
An encounter with a blind man ends unexpectedly for Susan Howard. The supposedly helpless man stuns and kidnaps her. The case is handed over by the Home Secretary to Sir John, the head of Scotland Yard. He entrusts Chief Inspector Higgins and Superintendent Lane with the investigation. Their investigations quickly lead Higgins and Lane on the trail of murder, white slavery and blackmail.
Whenever a criminal is killed in London, a black Jaguar is nearby, with a white cat always sitting in the passenger seat. Inspector Higgins and Inspector Lane find a joker card on all the victims. Their investigation leads them to a diamond smuggling ring.