Ayumi witnesses medicine manufacturing company president Ishibashi Kengo murdering Dr. Yokoyama Takeru at a ski resort. Ishibashi realizes what happened, and he attempts to chase down Conan, Ayumi, Mitsuhiko, and Genta. As they are fleeing from him, they end up off the ski trail and must walk through the snow, where they encounter two of Ishibashi's goons waiting for them. Though they use their sled to escape their pursuers, the goons meet up with Ishibashi and resume their search for the Detective Boys. The kids end up at a cabin. As Conan is using his phone in an attempt to make contact with the outside world, he manages to get in touch with Professor Agasa, but...
