![Detective Conan Movie 21: The Crimson Love Letter](https://i0.wp.com/3amovies.com/wp-content/uploads/2024/03/jj2bDnXgwL9BlmZSdhd6N73HqNM.jpg?resize=185%2C278&ssl=1)
After the FBI receives a threat that endangers the entire city, an interrogator and an I.T. specialist are plunged into a series of mind games with a criminal mastermind, desperately racing against time to uncover the villain’s true agenda as they fight to protect thousands of lives.