Hikari, who works as an undercover investigator with her husband, infiltrates a casino used by the organization to expose its darkness. Hikari, disguised as a customer, waits for contact with the organization's executive Takeda. Her husband, disguised as a waiter nearby, also observes the situation. After some time playing games, the target Takeda approaches Hikari. Takeda proposes a game betting on one night, and Hikari intentionally loses to extract information, but Takeda already knows that Hikari is an undercover investigator…
