Die drei ??? – Toteninsel

"Solve the riddle of the Sphinx or someone will lose their life." - then the line goes dead. Justus, Peter and Bob are breathless. But the three detectives from Rocky Beach have no idea that they are already in the middle of their next case. A secret organization, a lost treasure and a legendary island from which no one has ever returned alive demand all of the three detectives' skills.

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