"We boys have to take back the world" - that's what Emil Dreesen (Jonathan Berlin) believes after his return from the First World War. He wants to put trauma from the trenches and a heavy guilt behind him. Unlike his nationalist father Fritz (Benjamin Sadler), who rebelled against the French occupiers in his Rheinhotel Dreesen, the hotelier's son Emil wants to come to terms with the French and reconcile. The junior boss is looking ahead: In order to attract new guests, the 21-year-old, with the support of his younger sister Ulla (Pauline Rénevier), relies on culture and entertainment.
The body of 15-year-old Lea Cordes is found in Lake Constance. Robert Anders (Walter Sittler), who has returned to his old homeland from Gotland, is the last person to see Lea alive. This puts him in the focus of the investigations of the young police commissioner Annika Wagner (Nurit Hirschfeld). Their mother, Johanna Wagner (Katharina Böhm), is Robert Anders' great childhood love. The two get closer again, the old feeling of closeness and intimacy returns.
Peter Parker (Andrew Garfield) doesn't have it easy: his parents left him when he was a child. Since then he has lived with his uncle and aunt. Things aren't going too well at high school either: although Peter isn't exactly stupid, the young man hardly has any friends. Only his childhood sweetheart Gwen (Emma Stone) sticks by him. When Peter finds his father's briefcase, he finally wants to find out what happened to his parents. He goes in search of clues.
Earth is expected to be hit by a powerful comet. Only a few people are chosen for a rescue operation, including the Garrity family, who make their way to the rally point as chaos ensues. But when they get there, they find out that their sick son's name was accidentally on the list and he is not allowed to go. To make matters worse, the family is separated in the chaos at the airport, and father John (Gerard Butler) suddenly finds himself alone on the plane. At the last minute he can leave the plane and start the difficult search for his wife and child - in a world in a state of emergency.