Magnum helps Dan, a struggling fisherman and fellow veteran, when his 300-pound tuna worth $350,000 is stolen, and he discovers that the thief needs Magnum’s help as well.
Magnum and Alice continue in their quest to find out the truth behind Lt. Dan Cook’s death, and find themselves uncovering a case of gold smuggling, and a criminal mastermind whom Magnum and Dan once knew in Vietnam. But in trying to find out what really did happen to his deceased friend, Magnum puts his own life on the line as someone tries to stop him from investigating, using any means necessary…