A crime story about a great love and a terrible crime that will keep you on the edge of your seat! When Lilly Velasco is invited by her childhood friend Sonja to spend the Christmas holidays at her farm in Elisenkoog, the young commissioner is initially excited. However, the atmosphere among the other friends and family members is tense from the very beginning - and the next morning, three of the guests are found dead in the sauna. Lilly calls on John Benthien and Tommy Fitzen for help to investigate the deaths of the three men, only to stumble upon the next victim. Gradually, it becomes clear that each of the attendees has something to hide - and that the perpetrator is always one step ahead of them...