Slim Cole, a notorious outlaw, shoots at mining executive Jim King, missing him but wounding Flora Dale in the shoulder. Jim takes care of the injured girl, who, when she recovers, goes to work in his office. Unknown to Jim, Flora is the daughter of an outlaw whom Cole had killed and has secretly vowed revenge against Jim.
A young cowboy falls in love with the daughter of a rich rancher, and they plan to marry. However, the cowboy winds up getting in a fight with the girl's cousin and is forced to shoot him. Believing that he has killed the man and will be prosecuted for murder, the cowboy flees and ends up working on a ranch in Oregon, where his cowboy skills impress the owner to the extent that he is picked as the ranch's entrant in the World Rodeo Championships held in nearby Pendleton--a competition in which his fiancé's ranch is also entered.
Ben Johnson, a sheepherder who hates sheep, is instructed by his employer, Vasquez, to escort beautiful Rena Newhall to her father's ranch. On the journey, Rena is abducted by Zach Marlin, who takes her to Buck Brent, an outlaw who has sworn vengeance on Jim Newhall, Rena's father, for sending him to jail years before. Ben later poses as an outlaw, joins Brent's band, and takes a hand in rustling the elder Newhall's cattle. On that raid, Ben contrives to get himself captured and convinces Rena's father both of his own good intentions and of the treachery of Marlin. Ben rejoins Brent's gang, but he is soon exposed as a fraud by Marlin.
Orphan newsboy Michael O'Halloran "adopts" Peaches, a little crippled girl, when her grandmother's death leaves her alone in the world. A chance acquaintance with lawyer Douglas Bruce draws Michael into contact with the Hardings, a farm couple, who bring Michael and Peaches to the country. Wholesome food and good fresh air give Peaches the strength to walk. Also friends of Douglas Bruce are the James Minturns, a wealthy young couple whose marriage breaks up over Nellie Minturn's neglect of their children for a society life. Nellie eventually realizes her error, devotes herself to hospital work, and is reunited with James while bird-calling in the woods.
Believing her husband to be unfaithful, Helene Savelli takes her son, Jackie, to the Holdens' farm and dies shortly afterward. The Holdens keep Jackie, but he eventually goes to the city when the elderly couple lose their farm and retire to the poorhouse. Jackie next is befriended by Cesare Gallo, a sidewalk musician who was also the teacher of Paul Savelli--now a famous violinist. A chance meeting with Savelli by Jackie reunites him with Gallo just before the old man dies. Savelli takes Jackie home with him, happily discovers the boy to be his son, and restores the farm to the Holdens.
Lambert, a young man out to make his fortune, is out west trying to sell a gadget that can peel potatoes, open cans, pull out nails and perform other handy tasks. He comes to a cattle ranch and runs into a group of cowboys eating supper. He impresses the cowboys so much that they make him their leader, and it's not long before he's hired by pretty young ranch manager Vesta Philbrook as her aide and bodyguard. "The Duke", as he's now called, falls in love with her and sets out to help her get rid of a gang of vicious cattle rustlers that are constantly raiding her ranch.
15 part adventure serial directed by W. S. Van Dyke survives in a Russian archive.
Heavyweight boxing champion Jack Dempsey stars in this 15 chapter action serial, of which portions of reels 1, 2, and 4 survive. In the serial he plays the star fullback of his college's football team who gets drawn into an adventure when he stops to rescue a young woman from some thugs on a country road. It includes a gag featuring an exploding football. The rest of the cast includes Lon Chaney, Edgar Kennedy, Bull Montana, Josie Sedgwick and Herschel Mayall.
Lure of the Circus is a 1918 American adventure film serial directed by J. P. McGowan.