Since the beginning of time man has always had an inherent fear of darkness, haunted by the belief that hidden in the black chambers of night, dark and powerful satanic forces are watching and waiting to strike some poor unsuspecting soul. Now the belief becomes reality in the form of Kane, soldier of Satan. He is here to prepare for his masters return. Kane must also recover the Eye of Satan taken from a ritual chamber somewhere in Africa. The jewel posses strange demonic powers. Kane always travels in the company of a black panther. Harry Bronstien underworld gang lord, manages to locate the jewel and persuades Kane to eliminate the opposition in return for the information. Kane accepts the offer. Bronstien is soon to realise the power of Kane.

Professor Lindenbrook has secret documentation wanted by the Russians. She is kidnapped and taken to The Caribbean. Following in hot pursuit are Chaser and William Grant.