Conan is back home at Mouri Detective Agency. Kogoro is on the phone with Ran but suddenly got shocked that Ran is going to sleep over at school during night time because everyone's going to practice karate.

Ran, Sonoko, and Conan are on the bus ride to Haido Hotel. Sonoko felt like that someone touched her butt. She caught the guy in the blue hat and accuses him that he's the pervert. The guy in the blue hat tells Sonoko that he's not a pervert but Sonoko thinks he's lying. So she told Ran to beat him up. Ran does as she says so she kicks but the guy in the blue hat blocks Ran's kick with his leg.