Song and Dance Man was based on the play of the same name by George M. Cohan. Tom Moore plays vaudevillian Happy Farrell, who gives up show biz to take a "civilian" job. Finding success in the business world, Happy tries to go back on stage, only to find that it isn't quite so easy the second time around. Meanwhile, our hero's former vaude partner Leola Lane (Bessie Love), now a headliner at the Palace, gives it all up to become the bride of artist Joseph Murdock

When Yvonne de Chausson comes home from a trip to France, she is told that her grandfather, lumber magnate Andre de Mersay, has been stricken with an undisclosed illness. He is sequestered in a room and his secretary refuses to allow Yvonne to see him. Her attempts to get to him are constantly thwarted and the plot thickens with the appearance of John Thorne, who purchases part of the family's land holdings without Yvonne's consent.

A girl seeks revenge after a Wall Street broker had falsely accused her father and sent him unjustly to prison.

A prison inmate obtains his release from prison in order to rescue his daughter from the clutches of her unscrupulous mother's plot to implicate the girl in a blackmail scheme.

Doris Moore is a country girl who is conned by two crooks, Harry Leland and Pop Clark. They convince the naive girl to come with them to New York City and play the badger game on William Lake. But the intervention of Kate Fallon, who runs the gang's New York home, saves the innocent and traps the guilty. Instead of tricking Lake, Doris marries him.

When Bob Stokes, a wealthy New York clubman, loses his fortune, he is jilted by his fiancée Marcia Fontaine. He then wanders to an upstate lumber camp where he impresses the owner, Henry Willard, with his leadership and fighting abilities. After Stokes quells a strike engineered by the previous foreman, Robert Brummon, who is really a Bolshevik agitator, to prevent shipments of lumber for government contracts, Brummon, seeking revenge, sets the forest on fire, but Stokes controls it. Willard then sends for Stokes to oversee his New York shipyards where a government "mystery ship" is under construction. After Stokes and Willard's daughter Helen fall in love, Brummon gets Marcia to attempt to seduce Stokes. Marcia lures Stokes to her apartment, where Brummon plans to kill him, but he escapes when he learns that a time bomb is set to destroy the ship.