Hinako Minami is the company president of Office CAT, a mysterious detective agency that accepts requests from women who wish to have help with their relationship issues. The company's objective is not just to facilitate a breakup for the client, but to "abduct" the targeted individual. Otherwise known as "Thief Cat", Hinako has a 100% robbery success rate. She skillfully manipulates her appearance and personality to make the target fall for her, thus tearing apart relationships between men and women. One day, the company receives a request from a woman named Risa Hayakawa, asking for help in stealing away her abusive boyfriend.