Two married couples, Doris (Helen Chadwick) and John Manning (Gayne Whitman) and Clara (Dorothy Revier) and Herbert Bradley (Ray Ripley), each separate as a result of domestic arguments.
Blinded in a train accident James Driscoll (Holmes Herbert), whose wife, Miriam Driscoll (Belle Bennett), has been having an affair with his young male secretary Phillip Kingston )Carroll Nye), regains his eyesight.
Following his mother's death, John Gregory becomes the "Eagle," a thief determined to get even with the mining company that stole his family's fortune.
Madge Garvey (Dorothy Phillips) works in a shoe factory. Her father Joe (Richard de la Reno) is a drunk who beats his wife (Alice May Youss), and her sister Helen (Belle Bennett) has repeated the pattern by marrying Dan Mallory (Edward Brady).
To help secret serviceman Bill Parsons in pursuit of the thieving Benson gang wealthy criminologist Henry Avery sends his assistant Blinky to cover the waterfront while he attends a reception at the home of Mrs.
The Door Between was based on Anthony the Absolute, a novel by Samuel Merwyn. The story begins in Japan, where American musicologist Anthony Eckert (Monroe Salisbury) is busily collecting records of authentic Japanese folk songs.
During his daily duties, Casey the Cop rescues a woman who's soon his sweetheart. Later, she learns from her banker uncle that her inheritance has been stolen, and he's accusing Casey's own cashier brother.
Firemen Tom and Joe each loves the other's sister, although neither is able to support a wife. Tom's troubles are compounded by a rival for his sweetheart's hand.
Katusha, a country girl, is seduced and abandoned by Prince Nekludov. Nekludov finds himself, years later, on a jury trying the same Katusha for a crime he now realizes his actions drove her to.
Julian Ramos is a fisherman in the Canary Islands. As the guardian of his hotheaded younger brother Charles, Julian regards it as his duty to protect the boy from women -- and vice versa.
Marie Devere and Helen Gray are two sophisticated, gold-digging chorus girls on the look-out to marry a rich man, who measure the men they meet by their Bradshaw ratings.
On a train bound for New York, where she hopes to find work, Honey McNeil captures the appreciative eye of William Ogden, a financier, who offers her a job.
Lane plays two roles: Grand Duke Algy Horseradish De Ketchup of Worcestershire and Newsboy White. The newsboy is hired by Elmer Éclair (played by Lane's younger brother, Walter Lupino) to impersonate the Duke for unstated reasons, and to attend a house party at the Smalls (a last name that leads to several puns) in the Duke's stead.
Dance-hall girl Dolly Wall invests her life savings in an oil well. A gusher comes in, enriching not only Dolly but her ne'er-do-well socialite sweetheart Royce Wingate.