Yukari (Nao Matsushita) works at city hall in Ofunato City, Japan. She is one of the employees in charge of a matchmaking party held on a train. Suddenly, her older sister's husband, Tatsuya (Masanobu Ando), appears. Yukari’s older sister has been missing and Tatsuya begins to live with Yukari, her mother Haruko (Keiko Matsuzaka) and her cousin Nanami (Yuina Kuroshima).