Detective Conan The Crimson Love Letter

a bombing case at nichiuri tv in autumn the satsuki cup which crowns the winner of japan s ogura hyakunin isshu based competitive karuta tournament is currently being filmed inside the facility the incident results in a big commotion and while the building is burning to ashes the only people left inside are heiji and kazuha they get rescued just in time by conan who rushes to the scene both the identity and motive of the bomber are unknown while confusion takes over due to the explosion conan meets a mysterious beautiful girl who claims she is heiji s fiancee momiji ooka the kyoto high school karuta champion as fate would have it kazuha is going to face momiji in the hyakunin isshu competition so she begins to train with the help of heiji s mother shizuka who is a skilled karuta player at the same time in a japanese house in arashiyama kyoto s outskirts the reigning satsuki cup champion is murdered pictures of the crime scene reveal momji s presence additionally several karuta cards were spread around the victim conan and heiji along with the osaka and kyoto police departments begin their investigation on the satsuki cup and the related murder case as the inquiry goes on they come across a secret connected with the hyakunin isshu