Evelyn Vail (Florence Rice) is a nurse convicted of poisoning a patient. Out on parole, Evelyn decides to fly to Sing-Sing and confront death row inmate who accused her of the deed in the first place. On board the airliner, Evelyn makes the acquaintance of John Robinson Gordon (Nagel), who is transporting a revolutionary munitions formula to Washington, D.C. Another passenger, Baker (Robert Allen), complains of having been poisoned and leaves the plane during a stopover in Dallas. Back in the air, Gordon's bodyguard, Lieutenant O'Brien (Fred Kelsey), suffers the same fate, but this time the poison proves fatal. The plane returns to Dallas, where Police Captain Barrie (William B. Davidson) accused poor Evelyn of the crime. Happily, Gordon can prove otherwise and the real culprit is unmasked.

A dancer falls in love with a puppeteer, much to the consternation of her manipulative manager. The puppeteer himself seems more interested in his puppets than in romance with her. Can she find true love?

A gambler, hopelessly in debt, agrees to pay off his debt by allowing his creditor to take out a life insurance policy on him and collecting once the one-year suicide clause has elapsed.

A district attorney and a reporter try to find the killer of a D.A. who uncovered a massive stock fraud.

Eva Lovelace, would-be actress trying to crash the New York stage, is a wildly optimistic chatterbox full of theatrical mannerisms. Her looks, more than her talent, attract the interest of a paternal actor, a philandering producer, and an earnest playwright. Is she destined for stardom or the "casting couch"? Will she fade after the brief blooming of a "morning glory"?