Aikawa Mai (Aika Miyazaki), an agent from the Special Investigations Division, undertakes a solo undercover mission to infiltrate a human trafficking ring but fails and is captured, imprisoned, and subjected to brutal training. When she goes missing, her superior, Randou Rui (Rei Aoki), decides to infiltrate the organization's hideout alone to rescue her. Amid extreme danger, Rui must rely on sharp judgment and decisive action to save Mai. As the tense situation escalates, the bond between the two women is tested in new and harrowing ways.