Amidst a backdrop of growing violence and intimidation, independent cab drivers struggling against a consolidated juggernaut rally around hot-tempered Matt Nolan. Nolan is determined to keep competition alive on the streets, even if it means losing the woman he loves.

A fired teacher finds work at a girls reform school and helps a detective on a case.

Ruby falls in love with small-time con man Eddie. During a botched blackmail scheme, Eddie accidentally kills the man they were setting up. Eddie takes off and Ruby is sent to a reformatory for two years.

Asaph (Charles Ruggles) is a meek, mild-mannered homebody who occasionally shows some backbone to his prudish, overbearing boss, only to be beaten down again. With the encouragement of his secretary Beulah (Ann Dvorak), his old college team-mate Wynn (Eugene Pallette) and some liquor, Asaph regains some of his wild-man soul. Watch out world!