In the middle of a riverside park stands a single bench. One evening, a couple of childhood friends who hadn’t seen each other in a while meet up at this bench. Although awkward at times, they sit there exchanging gentle words of affection.

Luca lost her family in the Great East Japan Earthquake causing her not to be able to speak. However, her singing voice shakes the hearts of those who listen to her. It is a hymn of compassion played by Luca and the people.

It is only at their sister's and mother's funeral when a woman meets her niece after many years. The niece is now a grown girl. The sister takes on the task of informing the deceased's friends of the death while the daughter cannot bring herself to symbolically accept the demise of her mother. In the midst of all this an old flame messages the sister to say he is still in love with her, but is he messaging the living sister or the dead one?