The drama is adapted from the novel of the same name by Okuno Sakurako. The story tells about a beverage manufacturer where an important patent related to the beverage under development was taken away by a competitor. Fujisaki Aki, a development member suspected of leaking information, and Kitowaki Masami, an intellectual property expert who came from the parent company for investigation, struggle to get the patent back. Around "intellectual property", the ups and downs of the day are about to begin.