West of the Rio Grande.

A portrayal of the conflict between the pioneer cattle ranchers and the newcomer farming homesteaders in the Big Bend region of Texas: The problems for both sides are heightened by cattle rustlers who take advantage of downed fences. While struggling to maintain law and order, Texas Ranger Tom Norton falls in love with New Yorker Eileen Nawn, and the way is cleared for their romance when Tom rounds up the culprits.