Betty Bryant is an ambitious newspaper reporter in love with Dan Barton, a member of a big-city Emergency Squad who are trained to deal with riots, cave-in, explosions, fires and other emergencies where lives are at stake. Slade Wiley, an unscrupulous tunnel builder, finds that his low bid on the Newford Tunnel project is causing him to lose a lot of money, and has underworld leader Nick Burton set off blasts to frighten the stockholders into selling their shares at a low price so he can buy up the stock. Betty is investigating the deal when Wiley and Burton take her on a "tour trip" to the tunnel.
McCrea plays Joe Meadows, whose only ambition as a Kansas farm boy was a life at sea. He moves to New York to try to get a job as a sailor, finds it more difficult than he thought, and meets Helen Brown, who falls for him and uses her feminine wiles to try to prevent him leaving.
Hector Colbert sues his wife Marjorie for a divorce after Peters, an admirer of Marjorie, deliberately compromises her. Colbert's lawyer, Daniel Farr, believing that Marjorie's behavior was wrong, gets the divorce, but he ruins the reputation of a fun-loving woman who was simply bored with her husband. Later, she and Farr meet; she plots a revenge against the lawyer but confesses her fabrication when she realizes that she loves him.