A man known as “Mouse,” who appears to be quite ordinary, finds himself in police custody. To secure his release, he agrees to go undercover, penetrate a drug cartel, and set up a sham transaction. However, things take an unforeseen twist… Director Takeshi Kitano offers a dual narrative: one part is a gritty yakuza action film, while the other is a comedic self-parody of the same tale. What will become of “Mouse”?