On the occasion of Thomas Mann's 150th birthday. A new criminal case for the beloved detectives from Rocky Beach. Why was John Lehmann's home broken into? When Justus rushes to help the elderly neighbor, he is caught off guard himself. Who is the dark figure? Justus could only recognize one person in a cloak, wearing a newsboy cap and sunglasses. And what did this someone want with Mr. Lehmann? It soon becomes clear: the small library has been ransacked. A valuable edition of a novel by Thomas Mann is missing. The investigation leads Justus, Peter, and Bob to Pacific Palisades to the house that Thomas Mann had built. In the house 'Seven Palms', the German Nobel Prize winner in literature lived until 1952. What do the three discover there?.