In the impoverished streets of Osaka, Kumada, a formidable and scarred man, fiercely protects his wife and two children. Despite his gruff exterior and fondness for sake, his love for his family knows no bounds. When a yakuza group sets fire to his home for a land deal, Kumada's life takes a drastic turn as he is wrongly imprisoned for seeking justice. Upon his release after fifteen years, he faces the challenge of reconnecting with his estranged family. His children, unaware of his past, struggle to trust the father who once left them. Determined to rebuild their bond, Kumada embarks on a journey to guide and protect his son from the harsh realities of their neighborhood.