On a night at the end of the year, Akiko (played by Rinko Kikuchi), Megumi (played by Hiraiwa), and Kanae (played by Yoshida) broke into the mansion of the president Natsumi (played by Mai Shiraishi). The time goes back to a month ago. Akiko, who works at a housekeeping company, heard from her colleague Megumi that the president Natsumi evaded taxes and kept a large amount of cash at home. Akiko, who is usually dissatisfied with the company's policies and treatment, sneaked into the president's house with Megumi's friend Kanae to steal the money, but unexpected things happened one after another...