Set in Melbourne in the mid-1970s, Cut Snake tells the story of Sparra Farrell (Alex Russell), an ex-convict who is trying to make a new life for himself in a new city. He has found honest work and even becomes engaged but the prospect of this new life is challenged when his foreboding and charismatic cell mate Pommie (Sullivan Stapleton) tracks him down upon his own release. Sparra finds himself enigmatically drawn back toward a world and a man that he was certain he had wanted to leave behind.

Rural Australia in the late nineteenth century: Capt. Stanley and his men capture two of the four Burns brothers, Charlie and Mike. Their gang is held responsible for attacking the Hopkins farm, raping pregnant Mrs. Hopkins and murdering the whole family. Arthur Burns, the eldest brother and the gang's mastermind, remains at large has and has retreated to a mountain hideout. Capt. Stanley's proposition to Charlie is to gain pardon and - more importantly - save his beloved younger brother Mike from the gallows by finding and killing Arthur within nine days.

Spain 1812. After Ciudad Rodrigo, Teresa tells Sharpe that they have a baby daughter. In Badajoz, the next siege target...