Shiomi Eiji is forced to become a single father when his girlfriend passes away while giving birth to their daughter, Shizuku. Desolate after the loss of the woman he loved, Eiji has little time or desire to even consider remarrying, working part-time jobs just to make ends meet. The one thing that gives meaning and joy to his life is Shizuku, but even that begins to trouble him when Shizuku begins acting strange, hiding her face by putting a cloth over her head when around other people.

One day after opening his flower shop, Eiji comes across a blind woman standing by the door, taking shelter from the rain. When he invites her to come inside the shop, she at first refuses, but later gives in to Eiji's kindness. They become intimate friends and she slowly grows to depend on Eiji's sincerity and goodheartedness. After rescuing her a following evening when she walks into the street and is nearly struck by traffic, Eiji himself inexplicably discovers the cold of winter that has saddled his heart all these years slowly melting away...