When the boss of the Nakano Family decides to retire and makes a loyal follower the new boss instead of his own son, it causes strife in the family. Sides are taken and lines are drawn. Meanwhile, a rival family with a land dispute with the Nakano starts pulling strings behind the scenes...

昭和22年，经历了一年半牢狱之灾的末广胜治（高倉健 饰）重获自由，却因惩治恶人而酿成故意伤害罪，重返网走监狱。山崎（田中邦衛 饰）等当年的狱友见到胜治喜出望外，再次尊其为大哥。是时，犯人中熊泽（山本麟一 饰）势力强大，他与高野（今井健二 饰）等恶德狱警沆瀣一气，相互勾结，垄断监狱的物资，更有一众打手为其卖命。年轻的囚徒木村（初井言栄 饰）在胜治的帮助下决定重新做人，却因偶然听到熊泽与高野的阴谋而惨遭杀害。事后，监狱方裁定木村死于事故，这引起犯人们的愤怒，一场大暴乱无法避免…… 本片为“网走番外地系列”第17部作品。

Young yakuza Shujiro Hanada goes to prison after losing his cool in a rigged gambling game and slashing a few other players. When he's released in 1927, the world has changed. His sister died in the Great Kanto Earthquake and his father is also gone. His brother Jukichi invites him to stay at his in-laws and works in their family pub. He lies low, helping his blind mother-in-law and slowly developing a relationship with Ikuye, the hostess who helped him before his arrest. But trouble lurks when the resident gang decides to show its strength.