Synopsis

A whisper traveled through the schoolyard, a rumor of a warehouse holding treasure capable of appearing and vanishing at will. Intrigued, the Detective Boys set out to investigate. Before reaching their destination, they stopped by Conan’s house and encountered a stranger, someone unknown to him. At the warehouse, Conan observed fresh, adult-sized footprints despite the building having been locked up for years. The prints led to an abacus with an unusual number of beads. Climbing a nearby tr