Onodera Mariya’s married life was supposed to have been happy but turns out shortlived when her husband Tatsuya suddenly disappears without a trace. At her wit's end, she heads for a heart-shaped island in Okinawa that Tatsuya had once spoken of. On the other hand, at a time earlier than this, Tsuruta Kameko, who has been working as a midwife in Tokyo, gets disgusted with the mentality of frivolous girls who regard
