Jimmy, a whiz kid and a friend of Gloria's, is ushered away by a strange trio of villains. Gloria tries to convince Tucker that Jimmy has been kidnapped, but Tucker does not become suspicious until two goons lock him in a closet.
Sgt. Tucker Pendleton's friend, world famous pianist Paul Farrow, who is secretly involved in an international jewel heist, falls for Gloria and persuades Tucker, a violinist, to appear with him in concert.
Tucker is assigned to guard Captain Lombardi, the star witness in a gangland murder trial, from assassins who want to keep him from testifying. Lombardi's death is staged for the press to protect him from a hit man.
Michael Gow, a top member of the Sam Choy Tong group is killed, and Gloria is witness to the murder. Soon a whole gang of Bruce Lee types comes down, flying kicks and all on a bewildered Gloria.
Tucker and Gloria match wits with a dangerous gang of car thieves after a mysterious red-haired man hands over a videotape to Gloria that incriminates his former associates, thus putting Gloria on their hit list.