A young woman arrives in San Francisco’s Chinatown from Hong Kong with the intention of marrying a rakish nightclub owner, unaware he is involved with one of his singers.

Chinese villagers hire a mercenary and his team of karate experts to help rid them of a gangster and his henchman who are threatening their island.

Mike and Danny fly a cropduster, but because of Danny’s gambling debts, a local sheriff takes custody of it. Trying to earn money, they hitch-hike to the World’s Fair in…