Wanted for the murder of a Mexican drug lord's son, party girl Isabel Sanborn fled to Oaxaca. Now she owes her life to Brandon Knox, a passing tourist who just saved her from a hit man.

But Knox is no accidental hero—he's an undercover U.S. marshal assigned to bring Isabel to justice. Instead, wanting to protect her, he joins her on the lam…with cartel goons and corrupt police in hot pursuit!

And as the danger escalates, sexual tension sizzles. For the first time in his career, Brandon considers jeopardizing his mission to safeguard his target. And though Isabel can elude the authorities, she can't escape her feelings….