Hayakawa Risa is suffering from the violence of her abusive boyfriend and turns to Office CAT's president Minami Hinako and employee Asanuma Yosuke for help as a last resort.
Sayoko heard that her boyfriend, Sugihara, a doctor who worked at the same office, was a womanizer. She tried to break up with him, but Sugihara relentlessly followed her around, and Sayoko, at her wit's end, asks Hinako for help.
At Sayoko's request, Hinako is finally left alone with Sugihara in a hospital room late at night. Office CAT's operation involving the entire hospital begins.
Yuna, a runaway girl, stays at Shiraishi's house, whom she met online, and creates a sibling-like relationship. However, as time passes, Shiraishi's true nature is revealed. Afraid of being held hostage, Yuna calls Office CAT for help.
In order to save the runaway girl Yuna, Hinako disguises herself as a runaway and infiltrates Shiraishi's mansion. However, Yuna still has feelings for Shiraishi.
Akane visits Office CAT and explains that a co-worker, Kiyomi, copied Akane's makeup and fashion, and even stole her boyfriend, Takashi. Hinako and Risa embark on a heist operation.
Teresita, a Filipina, is in despair over her husband Ogata, who has physically and verbally abused her and taken her son away from her. Teresita hires Office CAT to take back her son.
Ogata, a scumbag husband, has abused his Filipina wife Teresita and even taken away her son. Hinako embarks on a mission to get Teresita custody of her son.
Hinako is in the middle of a mission involving Kaede's boyfriend and her partner, Yosuke. When Risa suddenly contacts Hinako to tell her that Kaede has canceled the mission, she becomes impatient and asks Yosuke where Kaede is.
