Detective Gina, investigating a case, is captured by the Black Hat. Big Boss, the leader of the international criminal organization repeatedly defeated by Moon Mask, invites the Black Hat to eliminate Moon Mask. The mysterious Black Hat begins a scheme to eliminate Moon Mask using Gina as bait. Leader Na's group (Kang Hyuk, Na Hee, Dr. Han, Hyun) sets out to find Gina's whereabouts. Meanwhile, the Black Hat sends X, a robot man who will confront Moon Mask, to Dr. Han's house. X appears at Dr. Han's house and becomes obsessed with finding Moon Mask, greatly surprising Leader Na and Dr. Han. Gina's appearance, under the Black Hat's dark magic, plunges Leader Na's group into greater chaos. Gina joins the Black Hat's scheme to discover Moon Mask's true identity. Realizing Moon Mask's identity, Gina persuades Leader Na's group to lure him. Unaware of this, Leader Na's group heads to the hideout where the Black Hat awaits, and Moon Mask, facing a moment of crisis, follows them.