Summary Hellman is visited by Martin Preece with an offer to sell him the treasure discovered by Collier and Morrison. But when Preece tells him the suitcase of money is not enough to buy them Hellman tells him that he is not the owner of the suitcase, leaving Preece to wonder if Helene is the other buyer. Inspector Dimas continues to make inquiries and tracks down historian Professor Stylianou over the photo he found in Collier's wallet. And while enjoying a street carnival David comes across the mysterious trio of Charalambos, Basileos and Helene, closely watched by Preece. But when Helene and David walk among the old ruins, he little realizes the danger he is in, or of what he will find in his brother's apartment later on.

• Adventure
• Crime
• Drama
• Mystery