Who is this woman? McKay Harrington wondered. After chasing and killing an outlaw in the Boulder foothills, Harrington finds himself critically wounded and dependent upon a mysterious woman named Callie. When Harrington returns to his job at the Treasury Department, an unexpected encounter reveals a dangerous masquerade... Can McKay Harrington penetrate the wall of secrecy surrounding Calliehat about the love growing in his heart for this woman of mystery?