When a poison attack is made on the racehorse Cagliostro, Lou flees the Immenhof with the horse. Together they find refuge with Cal, who lives away from civilization with his semi-wild horses. In his new home, Lou makes the horse promise that it will never have to take part in a race again. However, this is by no means the end of the threat to Cagliostro.
16-year old Steffi just graduated from high school and is very much looking forward to her class trip to Paris where she has promised her boyfriend Fabian the romantic night that she has kept him waiting for so long. Her lifelong plan to join the police forces is already set up, her adult life is right around the corner. At a routine health check-up, just before the trip to Paris, Steffi and her parents are faced with a shattering diagnosis ...