Honda, Kawasaki, and Suzuki form the top-ranking ninth unit of the Sushi Police. Their unwavering mission is to identify and eradicate any restaurants serving unauthenticated or unconventional sushi, no matter how seemingly insignificant the violation. With the support of the World Food-Culture Conservation Organization and a staunch sense of justice, the Sushi Police relentlessly travel across the globe day and night to bring these reprehensible offenders to justice. None who flout Japan's customary cuisine can escape their wrath. On one of their assignments, the Sushi Police encounter Sara, a young and alluring TV reporter who is investigating their alleged corruption and that of the World Food-Culture Conservation Organization. Despite facing a rigorous interrogation, Sara's resourcefulness and charm enable her to effortlessly evade them. This encounter sets off a chain of events that expose the true motives of the Sushi Police.