Kogoro, Conan, and Ran arrive at a restaurant with a sitting room looking out on a river. The watermill upstream catches Conan's eye. Later, they meet Teito University students Juri, Maria, and Yuko, who ask Kogoro for feedback on the photos they've ... (more)been taking to submit to a photo contest. All three leave the restaurant for one reason or another, but only Maria and Juri return. Just as they are wondering where Yuko went, they see a body floating down the river amidst the blood red water...