While having dental work done, Jimmy inhales too much gas and begins believing that he is a detective. He sets out to capture a gang of thieves who robbed Jean's uncle's bank.

Armand and Marie survive in the streets until charitable (and wealthy) scientist Pierre Marcel takes Armand in after a botched robbery. Marie, a fiery Apache, swears revenge on Marcel for taking her lover away from her.

Bob Howard, a WWI wounded soldier in a army hospital, meets and falls in love with Princess Elena. When the Armistice is signed, he is quickly shipped back home to America. Returning to Europe, he is mistaken as a Crown Prince traveling to be married to a Princess from another country. The Princess-bride, intended for another man, is his Elena.

Joe (Tearle) and Bessie (Ayres), living in sin and just scraping by. Bessie thinks Joe has stolen their meagre savings, so she leaves him and becomes a manicurist eventually marrying a wealthy man who turns out to be stingy and cruel. Joe saves heiress Marion (Mills) from drowning, makes good as a civil engineer and eventually marries her. Joe and Bessie meet again by chance and Joe, in helping her to keep her secret, incurs Marion's jealousy. Bessie, extorted by a former acquaintance in desperation, decides to tell everything to her husband. However, to aid Joe she accuses Wallace (Miljan), with whom Marion is preparing to go away. Finally, Joe and Marion are reconciled, but Bessie learns that the world never forgives a woman who sins even when she has reformed.

After a stormy six year marriage, Barnaby Powers divorces his wife Richmiel. She returns home, taking their young son Oliver with her. Barnaby follows her, to ask for custody of the boy, but meets and falls in love with Richmiel's pretty and sensitive cousin Ledda. Complications ensue.

A newspaper publisher finds out that his wild daughter has fallen in with a ring of gamblers. A reporter who has infiltrated the gang to get a story falls in love with the gang's female leader, and when the two are caught in a police raid, they find themselves in equal amounts of trouble.

A bee keeper does his best to help the army. This film is lost.

Pampered Easterner Tom Ransom is sent West by his father, a meatpacking tycoon, to buy a large herd. Tom soon comes into conflict with the agents of Bennett, an unscrupulous rival, who tries to steal the herd from him. Tom eventually proves himself by outwitting Bennett.

18-year-old Nancy Hawthorne, a young English girl is raised in seclusion by her artist father, but finally goes to Paris to study and meets Cornelia Evans, an American art student. At a party for Cornelia's brother Nancy meets Bob Whittaker and falls hard for him. They spend a weekend together at the beach, where their feelings for each other intensify, but Bob feels unworthy of her and contrives to be seen in an affectionate pose with another girl, Heloise, which demolishes Nancy's illusions. Heartbroken Nancy enlists as an ambulance driver at the outbreak of war eventually reuniting with Bob on the battlefields of France. They marry before his regiment leaves for the front.

Wanting his son to get away from his many girlfriends and buckle down to work, the New York industrialist father of a playboy sends him to an obscure village in Spain to find samples of a rare mineral. When the son gets to Spain, he runs afoul of the local police chief - who has a secret that he tries to keep the young man from discovering.