, also known as Key of Keys, is a 1965 Japanese comedy-spy film directed by Senkichi Taniguchi. It is the fourth installment in the Kokusai himitsu keisatsu series, a parody of James Bond-style spy movies.
Woody Allen used footage from , the third installment, along with Key of Keys, for his directorial debut, What's Up, Tiger Lily? (1966). In the Woody Allen film, the original dialogue is redubbed in English, transforming the plot into a comedic story centered around a secret egg salad recipe.
In Tonwan, where he infiltrated, Kitami received a request from Suritai, the country's intelligence chief, to steal a large sum of hidden funds from Gegeng, the leader of the anti-government guerrilla group called Yami. Kitami, along with Meichin and Shiran, arrived in Japan to track down Gegeng's gang, which profited from illegal gambling and prostitution. They joined forces with Cai, a gangster who was enraged by Gegeng's encroachment on their Yokohama territory. Disguised and aboard their ship, they aimed to seize Gegeng's funds but were met with a surpriseâÂÂinstead of cash, they discovered a coded message on a piece of paper.