Detective Conan Episode "ZERO" The Shinichi Kudo Aquarium Case

In the middle of Shinichi Kudo and Ran Mouri's conversation in the shark area at the Beika Aquarium, Shinichi spots people gathered. Sensing that something is not right, Ran goes back to the entrance of the aquarium following Shinichi’s words, while he comes there and witnesses a person die due to a fatal stab wound to the heart.