When a prince in Thailand discovers that he's being blackmailed and has been targeted for murder, a group of super secret-agents are called on to investigate. It seems that a criminal organization is behind the threats and their leader will stop at nothing to carry out his scheme. Thomas Alder, Horst Frank, and Peter Carsten star. AKA: "The Curse of the Black Ruby." Widescreen; Soundtrack: English (dubbed). Dubbed in English.