A man named Do-joon, who is tired of always dating a young girl, Xiaozhen, and wants to try to date a more mature woman. Since he didn't know any mature women, he contacted a female beauty who worked in the business travel service industry. The experience with Mi-yeon satisfies Do-joon, and he wants to try more new things. Eventually, Do-joon invites two women, Mi-yeon and Xiaozhen, to return to their home......