To protect her five-year-old son from his evil grandfather, young widow Isabelle Parker McAllister moves to a new town and takes a new name. Pinkerton agent Casey Walker, looking for cash to get his 24 year old younger brother out of prison, accepts the job to find the boy and his unfit mother. When he meets Belle, Casey must decide whether to complete his task and save his brother, or give himself to Belle and rescue his own heart.