An enemy of MacGyver's fills a supposed safe house with several deadly booby traps to exact his revenge on MacGyver.

A mysterious person, who calls himself "Viking", has just bombed a cruise ship. He demands six million dollars or another bomb will go off within hours. So MacGyver, with an old friend from Vietnam, Charlie Robinson, is sent to disarm it. But when they get there, they find out there's more then one bomb on the ship.