Bat "No Limit" Carson, U.S. deputy marshal has to battle all types of varmints, including crooked dance hall proprietor "Con" Norton and his star entertainer, Fay La Cross.
Don Sebastian, Portuguese Premier, sets a price on the head of royalist Ricardo Madons. Madons is in love with actress Lola Montez, whom Sebastian also adores.
When Henry Boone hears his grandfather's stories of his youth as a pioneer and scout, he is gripped by the fires of romance and decides to hunt adventure.
Conchita Cordova sings in the cathedral choir in her village of San Miguelito near the Rio Grande. Millionaire oil man John Rannie, whose oil fields have displaced the peasants, desires Conchita, and when he learns that her fiance, Juan Mendoza, has been employed by Adolf Wylie, a German spy, Rannie threatens to expose Juan unless Conchita gives herself to him.
When Bob Stratton returns from war in France, he soon discovers his ranch in the hands of a pretty girl, Mary Thorne, who explains that upon her father's death she became the sole owner.
Jim Glover is an engineer in charge of constructing a railroad to the sea. He gives the company president Gage a tour of the area of land coveted for its use as a short cut that can save hours on the journey.
Chorus girl Peggy Malone, supporting her father and brother, marries press agent Jimmy Parsons. They settle into a quiet life until her "shiftless" relatives move in, causing marital strain and financial pressure.