The Thompson-Thorpe automobile was once a great car but dissension between the owners led to the break-up of the company, and Thompson and Thorpe have each started their own car-manufacturing company. Not knowing his true identity, Earle Thorpe Jr. has been hired by Henry Thompson to drive his new car in an upcoming race. Unknown to Thompson has two crooked mechanic/engineers on his payroll who plan to make their own car, using Thompson's plans, and win the big race themselves. Etta, Thompson’s daughter, and Earle team up to re-unite Thompson and Thorpe Sr. by taking the best features of both cars and combine them into one super car.
The wanton dancer Thais, tries to entice Paphnutius from becoming a monk but fails. He later returns to reclaim her soul and follow in his footsteps. They attempt to live lives of simplicity, but the pull of worldliness is too strong.
Young Jim takes over from his father, political boss Jim Gordon Sr. As ruthless and unfeeling as his dad, Young Jim blocks the efforts by a crusading newspaper to bring about reforms in the city's tenement district. But he comes to regret his intransigence when his father is ruined financially.
A cowpuncher by the name of Whistling Dan is adopted by a rancher, Joe Cumberland (James O. Barrows). His daughter, Kate is immediately attracted to Dan, but Cumberland discourages the union since he thinks the young man is too wild for her.
When Rosamond, a convent girl, discovers that her mother is Baby Brabant, a notorious queen of Petworth's gambling house, her ideals are shattered and she denounces her mother's life.
Daredevil cowboy Ned Ferguson is hired by John Stafford to stop the cattle rustling plaguing his ranch. On the way to the ranch Ned is bitten by a rattlesnake and is nursed by Mary Radford, who is writing a western novel. Ranch foreman Dave Leviatt tells Ned that Mary's brother Ben is behind the rustling. After Ben and Ned come to an understanding, Dave shoots Ben from under cover but Ben is sure that Ned double-crossed him. Mary will have nothing to do with Ned, even after Ned saves her life during a cattle stampede. Ned finally runs down the rustlers, and Mary sees him as a hero instead of merely putting him in her novel.
Ralph Kirkwood is falsely tried for murder. He is found guilty after being represented by lawyer, Tom Gannell. Kirkwood's wife believes she knows the identity of the real killer and sets about trapping him.
A father who despises his daughter, a boyfriend who refuses to marry the girl he knocked up, and a mother caught in the middle.
Jacqueline Floriot is driven from her home by her husband Louis, a deputy attorney of Paris, because of his unjust suspicions regarding her relations with another man. Floriot forbids Jacqueline to see her baby boy, who is dangerously ill, and when informed that the boy believes her dead, she attempts suicide.
When a taxi carrying socialite Ruth Darrow drives into the middle of a gun battle between hijacker Kid Gloves and a trio of bootleggers, Ruth is injured. She is taken to a nearby apartment, and The Kid helps to care for her. John Stone, Ruth's fiance and a bootlegger with a respectable front, finds them together and blackmails The Kid into marrying the girl.