In the aftermath of World War II, a British colonel and his wife are assigned to live in Hamburg during the post-war reconstruction, but tensions arise with the German widower who lives with them.
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.
At a remote mountain lake a bound man with cemented shoes is being dragged to the water by two other men and his request for a coup de grace escalates into a clash.
