A mining engineer is hired to run a valuable mine formerly belonging to lovely Peggy O'Day's family.

Miracles of the Jungle is a 1921 serial film

Spirited story of West, which begins after the hero has spent four years overseas and has left the army so much of a fighting devil that he becomes embroiled in a mix-up. Learning that his antagonist has died from wounds is the reason for the hero going West, when he meets a tramp who is on his way to join a gang of outlaws and who invites the ex-soldier to join.

Andy Green, a colorful cowboy, finds work at the Flying U cattle ranch, owned by Chip. Chip's foreman Dunk, who is Elsie Gray's guardian, attempts to force her to sign papers releasing him, but she refuses because he has stolen some of her money. Chip fires Dunk, who buys an adjoining sheep ranch, cutting off Chip's water supply and endangering his cattle.