Yuko Wakui is a woman who embodies both the tenderness of a mother and the sharp instincts of a detective. On a critical mission to capture a suspect who stole top-secret data, she infiltrates the enemy's hideout alone—but finds herself caught in an unexpected turn of events. Captured by the criminal's henchmen, she is then forcibly subdued by the enemy boss, who drains her breast milk while raping her against her will. A shocking confrontation unfolds, testing both sides of her identity. A painful yet intense story emerges as her resolve as a lactating investigator clashes with her pride as a mother.