Based on the original work "Escape from the Prison Mountains" by Ranzo Ota

Itto, a former detective serving time for murder, learns that his sister has been murdered by someone. He escapes from prison to take revenge on the culprit. Filming support: Chuo Alps Kanko, Toho Airways, Royal Hotel Kawaguchiko. Support: Ishii Sports, mt.dax, Universal Trading, Kyoei Transportation.