布鲁诺（Claude Legault 饰）和西尔维（Fanny Mallette 饰）是一对感情十分要好的夫妻，两人养育着乖巧可爱的女儿杰斯敏（Rose-Marie Coallier 饰），生活很是平静与幸福。无奈天降横祸，一次意外中，杰斯敏竟然被一变态凶手玷污并且杀害了，面临着巨大的打击，布鲁诺和西尔维的精神都到达了濒临崩溃的边缘。尽管最终凶手被警方捉拿归案，但布鲁诺心中的愤怒却并没有因此而有半点减轻，法律可以惩奸除恶，却并不能为布鲁诺带来救赎，一个念头在他的脑海中诞生了。布鲁诺绑架并囚禁了凶手，在未来的七天里，他决定对其施加肉体上的最大痛苦，最后手刃仇敌。可是，仇恨真的能够因此而消失吗？在给予敌人痛苦的同时，布鲁诺也如同身处地狱之中。

In the year 2961, the time is after humanity and nature has recovered the land. A hunter named Cygnus is called to rise above his duty. He provides for Last Arc, a once nomadic band of survivors in need of food and water that is now growing scarce. The answer must be found before a group of outlandish Heretics descend upon them. Cygnus must voyage across the treacherous landscape to defend his people. Sent by Nova, the matriarch of the band, she acts based on her vision for Cygnus to find a seed of hope. The future of Last Arc is for him to discover, Cygnus ventures into a hostile landscape in search of an answer for his people. On this journey of encountering many traps and dangers, Cygnus discovers what has been hunting him is his identity.