Case Closed: The Scarlet Bullet, known in Japan as Detective Conan: The Scarlet Bullet, is a 2021 Japanese animated mystery film directed by Chika Nagaoka. It is the twenty-fourth installment of the Case Closed film series based on the manga series of the same name by Gosho Aoyama, following the 2019 film The Fist of Blue Sapphire. This is the first Reiwa-era Case Closed movie.