Follows the antics of private eye Ryu Saeba. While searching for the runaway daughter of a publishing tycoon, Ryu by coincidence ends up on a cruise ship hijacked by ruthless American criminals to take the passengers hostage. Assisted by his jealous female assistant, the runaway, two female undercover cops, and a male gambler, Ryu must foil the nefarious plot. Combines broad humor focusing on Ryu's lechery and hunger with action sequences.