Thelma and Zazu are on a leisurely excursion in a borrowed car. Thelma lets Zazu drive. When she brakes to avoid a bull pulled along by three rustics, her foot gets stuck and the car crashes through a barn.
Tex Robbins, a Texas Ranger, posing as "Wolf" Cassidy, a notorious Chicago gangster, works his way into the rustling gang and hideout of "Three-Star" Henley, but his plans go wrong and he has to fight his way to victory.
Among the travelers of varied backgrounds that meet and interact on one night at Union Depot, a metropolitan train station, are Chick and his friend Scrap Iron, both newly released from prison after serving time for vagrancy.