L. Rogers Lytton

Billy Brice has been disqualified from the race track. He becomes sweetheart to a car manufacturer's daughter. Billy helps deal with the man's disgruntled ex-employees and hopes to clear his name so that he may race again.

Having misused funds held in his trust by investing them with his friend, Henry Lowe, Robert Reardon appeals to his future son-in-law, James Calvin, a candidate for the position of district attorney, for help. When Calvin threatens to indict Lowe for fraud if he is elected, Reardon's anger becomes so great that the engagement between Calvin and Reardon's daughter Helen is broken, resulting in Reardon's suicide. After Lowe comes into possession of a check forged by Helen's brother Jack, he uses the document to force a marriage with Helen. Treated brutally by her husband, Helen seeks Calvin's aid, but Lowe frames Calvin, now the district attorney, in a compromising situation with his ex-fiancée. Calvin is about to resign when Helen traps her husband with some marked money, causing his suicide through disgrace. Thus freed, Helen and Calvin find happiness together.

In the summer of 1914, Alsatian maiden Louise de Villars is attacked by two German soldiers. Hugh Brown, a visiting American, comes to her rescue and they fall in love. When war is declared, Hugh enlists in the French flying corps and shoots down thirty enemy planes. He is captured, but escapes with other prisoners while being transferred to another camp, and arrives at Louise's house to find camp commander, Baron Von Steinbach. To save Hugh from being executed, Louise offers herself to the lecherous Baron. Louise then kills him and escapes with Hugh to an American trench, where they are married by a chaplain on the final day of the war. Afterward, they leave Europe for Hoboken, New Jersey.

When Alice Winton's brother embezzles funds belonging to his employer, Benjamin Graves, a promoter of worthless mining stock, she saves him from arrest by signing over to Graves a hefty promissory note. Later Graves deliberately wrecks the mining company in which Alice's invalid father has invested his money, and the shock from the resulting bankruptcy, kills him. Alice marries Robert Burton, a noted criminologist who believes in the theory, "once a thief, always a thief," and the couple takes up temporary residence with District Attorney Jeffrey Miller. In Miller's safe are incriminating documents concerning Graves's illegal activities, and Graves, knowing of their existence, blackmails Alice into stealing them by showing her some compromising love letters to which he has forged her name.

Bob Deering on his way to business meets his sweetheart, Molly Sherman. He arrives at Milliken and Co., stockbrokers, his place of employment, just in time to save Herman, Zalmon Pinsker's 14-year-old son, from a very rough engagement with the other messengers in the office. For this act Herman takes him to his father's shop and obtains a suit at wholesale, and it is here that Bob meets Ike Mandell, who is in love with Dora, the daughter of Pinsker.

Zaza is an actress and the favorite at an open-air theater in a small French town. When diplomat Bernard Dufresne comes to the village, he stays away for fear he will fall for her. But during one performance, while Zaza is singing on a swing, her rival cuts the rope and she falls. Zaza is badly injured and she makes Dufresne's acquaintance. A romance quickly springs up and he installs her in a villa. Their happiness is marred, however, when his wife appears.

A story of the First World War, told in semi-documentary style, focusing on the iniquities of the German war machine, and with its dramatic center the sinking by a German U-boat of the passenger liner Lusitania in 1915.

Thinking that her husband is paying more attention to his work and to their little daughter, Nina, than to her, Cleo Morin runs away with Henri Mordan. On the afternoon of their elopement, Morin, who is a ballet master, is seriously injured on the stage, and the doctor tells him that his spine is so affected that he will never be able to walk again.