Where will the sad love between the father of the victim and the mother of the Murderer go after it marches towards catastrophe and a dark precipice?

One day, when Kyoichiro returns home, the news of the death of his son is waiting for him. His son is killed by a 13-year old classmate. He wants to avenge his son’s death but there’s a juvenile law protecting the young criminals…But his feelings are deeply swayed upon realizing the murderer’s mother is also lonely. These two parents, who both went through horrendous ordeals, are desperate for temporary relief from the heavy burden they both bear, and so grow close to one another…