"This is your last chance!! Rei, please..." After marrying and retiring from her role as an undercover investigator, Rei returns to duty at the request of her husband. She infiltrates a casino where a certain organization is hiding. Posing as a customer, she attempts to make contact with the organization's executive, Sakawa, but struggles to reveal her true identity. Rei arranges for a male accomplice to set up an opportunity for her to meet Sakawa, but her actions are already known to him. Finally, in a hotel room alone with Sakawa, Rei comes to know his true nature...
