Synopsis

The warehouse held a secret, meticulously concealed within its design. Detective Boys and Conan Edogawa pieced together the puzzle, their deductions leading them to the work of Samizu Kichiemon. The key, they realized, lay in an abacus – a carefully arranged sequence of beads spelling out "Samizu." Manipulating the abacus triggered a hidden mechanism, lowering the ceiling and revealing a secret room. Inside, they found not riches, but a serial robber, the treasure he'd amassed now gone. Conan th