Magnum is hired by a beautiful Chinese antiques dealer that he's making a play for to protect a precious ancient vase—The Soul of Sung—until its buyer arrives in Hawaii to collect it. But unbeknownst to him, the priceless ornament is wanted by a Tong gang from the girl's home country, and a deadly martial arts assassin who can kill in the blink of an eye is hot on the trail.

An ethereal, mysterious beauty brings out Rick's sense of gallantry and he enlists Magnum's aid in solving a crime that occurred thirty-five years ago.