Emmie s hope for a life with Isaac is overshadowed by a tragic loss at Fort Phil Kearny.

Isaac Liddle is keen to marry Emmie, and she knows she shouldn t hide her pregnancy from him any longer. But before she can tell him her secret, a widower friend asks the impossible of Emmie: Will she honor her promise to his dead wife by marrying him to care for the orphaned baby?

With the Sioux Wars threatening outside the fort, Emmie s solemn vow threatens her happiness from within. Will she honor a promise sure to break her heart and Isaac s? Or is there another way to find ahome for her heart?"