The Simons fun-loving fortune-hunting uncle turns up and drags them off to a South Seas island to investigate why the dividend checks stopped coming from a crazy investment that had started to pay off.

Rick and AJ vie with two female private detectives to find the set of Samurai swords they were all hired to protect, when competition doesn't bring results, they decide to join forces.

When the Simons are hired to discover a saboteur on a fishing boat, Rick decides to spend some time at sea with the crew. When he returns, one of his shipmates, a Vietnamese man, is severely beaten before Rick and AJ can put a stop to it. While in the hospital, he is killed by poison injected into his IV. At the funeral, AJ is attracted to the man's sister, Ho Xuan, and offers his sympathies. Rick, meanwhile, sees a beloved war buddy there that he hasn't seen in years - Chen. Unbeknownst to Rick, Chen and Ho Xuan have had a love affair gone very sour. Rick and Chen go out to dinner to celebrate their reunion. AJ starts investigating the sabotage on his own and runs into Ho Xuan. She tells him that her brother was killed by a man known as 'the Tiger', who is the leader of organized crime in the area. She's afraid for her life, so AJ goes to Abigail for more information. She tells him that 'the Tiger' is Chen. AJ goes to Rick's boat to tell him what he's discovered, only to find Rick a