Saran is a widow who lost her husband. Saran's husband loves hot springs, and it used to be his daily routine for the three of them to go on hot spring trips together with her son Takumi. Wanting to remember her husband, Sara goes on a hot spring trip alone with her son for the first time in a while. However, her son was devastated by the economic downturn, his company went bankrupt, and his girlfriend's fiancé ran away from him... Takumi, unable to tell her mother about this, came on a trip. While traveling, the two traumatized people seek each other's bodies to fill their loneliness...
