Typical mother Noguchi Satsuki spent her days trying to balance her life as a wife to her hard-working husband Kazuhiko and mother to their only son Tomoya, a seemingly withdrawn fifth-grader with whom Satsuki struggled to communicate. Seiko and Ozawa Hideaki, living in the same neighborhood as the Noguchi family, were raising a rebellious junior high school daughter Mihoko and their first son Kiyotaka a second-grader who was showered with much love and affection by his mother.
Based on a novel by mystery writer Keigo Higashino, Ryūsei no Kizuna tells the story of three orphans, whose parents were murdered long ago. Together, the three vowed on a shooting star to one day avenge their parents. After many years, the two brothers have found the murderers, and are set to carry out their plan for vengeance when they realize they've made a serious miscalculation; you see, their sister...
A humble office worker's peaceful family life comes to an end after he makes a grave decision for the sake of his family.
