Her husband’s sterility. A plenary adoption. The light and shadow of life… In the shadows of her happiness, there was a woman who had lost the light.
Satoko Kurihara lived a peaceful, fulfilled life with her husband Kiyokazu and her eldest son Asato. Asato was actually adopted, but that didn’t matter to them. After a long, hard period of sterility treatment, Satoko and Kiyokazu had given up on having children. But then light came in the form of a plenary adoption. Now, they could not imagine life without Asato. Satoko believed that these happy days would continue. But then one day, the Kuriharas received a phone call. “Please give me back my son.” It was sudden phone call from a woman claiming to be their son’s mother. This phone call pulled Satoko back to the past. And there, she found another mother who had lost the light… The woman who could not bear children, and the woman who had to give up her child… As they wander through the night of life, will morning come for them…!?