"Lucky" Tom Blane's luck as a private eye had run out when his crooked ex-partner, Enrico Pachuco, took off with his rep and his funds. So Rosanne Norton was like an angel from heaven when she offered to pay him to keep tabs on this same Pachuco, who was now operating his slippery game in Rosanne's home ground - the border between Texas and Mexico.Blane jumped at the prepaid opportunity to clear his own name and get even besides. But when he finally ran to crook to earth, it was to find the man tortured and stabbed to death - and Tome Blane everyone's favorite suspect.The cops of two nations were converging on him fast when Blane set out to unravel the frame ... with nothing to help him but a double-crossing set of two-faced females and an unknown knife-thrower aiming for his back.