The situation seems hopeless: Ben and Leo's lives are in danger. Together with Professor Dr. Crohn, they make their escape from the catacombs. The three find hope when they meet their friends. But the gangster clan cannot be outwitted. Even Cenk and Brehmer, who have meanwhile found their way to the compound, are powerless. They do not know what incredible threat will befall them in the next 7 hours.