Yume is raising her daughter Haruka by herself. Mitsugu gets a job at Haruka's school, where he realizes that Haruka is the daughter of his first true love Yume, who dated his brother around the time of Haruka's birth. Mitsugu wants to be with Yume, but is currently living with Hatsune, another teacher at the same school. Yume has trouble trusting men since her first husband cheated on her. Can they find love?