A gemstone named the Mermaid's Scale appears in a secret, underground auction, and Lupin is coerced by the queen of the underworld into stealing the rock for her. Lupin however quickly discovers not only that the stone is a forgery, but that the real Mermaid's Scale is part of an unsolved riddle involving the mysterious girl Misa that leads to transcending mortality.

casts

Kanichi Kurita

Kiyoshi Kobayashi

Miyuki Sawashiro

Daisuke Namikawa

Koichi Yamadera