Cyber entrepreneur Maslowski (Pawel Ciolkosz) is shot dead in his bungalow. "Zero Trust," the victim's business principle, could also go to Dr. Viktoria Wex (Claudia Eisinger) fit: The forensic scientist prefers to rely on forensic methods instead of people. When she clearly identifies the pistol of her neighbor and friend Leon Pawlak (Sebastian Hülk) as the murder weapon, Viktoria has no doubts about the shocking KTU result.
Markus (Sebastian Ströbel) accompanies Nina (Josephin Busch) and Tom (Johannes Ahn), two guests from his pension, to altitude training. The two are preparing for a trip to the Himalayas, where they want to climb eight-thousanders. Proud of her achievement, the joy comes to an abrupt end on the way back: Tom is shot. The shooter, Florian Neilinger (Joshua Hupfauer), was hunting a wolf with his girlfriend Anna Braun (Raffaela Kraus).
Toni (Sarah Engels) dreams of a great career as a musical actress. But the past catches up with her again and again and takes away her lightness on stage. Between dance rehearsals and school flea markets, the single mother meets the mysterious and charming Tom (Christopher Patten) - and takes new courage that everything will turn out for the better. What she doesn't know: Tom hides a dark secret. In the end, can Toni outgrow himself and go her own way?
Through an alliance with extraterrestrials, Thor's half-brother Loki (Tom Hiddleston) has become a powerful threat. Nick Fury (Samuel L. Jackson), head of the S.H.I.E.L.D. organization, sees only one way to protect the earth from destruction: He gathers superheroes to fight as a team against Loki. He manages to recruit Iron Man (Robert Downey Jr.), Thor (Chris Hemsworth), Hulk (Mark Ruffalo), Black Widow (Scarlett Johansson), Hawkeye (Jeremy Renner) and Captain America (Chris Evans) to the project, but the heroes are all idiosyncratic lone fighters.
He is attentive, attractive, almost perfect - with Hannes (Vladimir Burlakov), the doctor Malu (Josefine Preuß) seems to have found her dream man! But a look behind the facade raises doubts. As Hannes' behavior becomes more and more strange, Malu breaks up with him. But it's far from over for him. His obsession leads him to perfidiously pursue the young woman - without leaving any traces.