Remembering the beautiful things...
On the evening of December 31, Izumi visits his mother Yuriko for the holidays, but she is absent. He finally finds her perched on a swing in a nearby park, where she seems lost. This event is only the first sign of the disease that is eating away at her: a few months later, he learns that she has Alzheimer’s.
As Yuriko’s memories fade, those of Izumi’s childhood resurface. As Izumi takes care of his mother—at a time when he himself is about to become a father—he tries to understand what has kept him away from her over the years, wondering about the meaning of their relationship. In order to find the essence of what remains for them now.