During the World War II, the prisoners of a German camp in a Greek island are trying to escape. They not only want their freedom, but also seek an ineffable treasure hidden in a monastery at the summit of the island's mountain.

• ITC Entertainment
• Roger Moore
• Telly Savalas
• David Niven
• Stefanie Powers
• Claudia Cardinale
• Richard Roundtree
• Sonny Bono
• Elliott Gould