During an investigation into her former fiance's suspicious death, Reagan Tucker inadvertently becomes a witness to illegal gun smuggling - and the target of a murderer. Fleeing from her armed pursuer sends her into the path of US deputy marshal Coulter Becket. But any illusion of safety disappears when the culprit sets his sights on her late fiance's daughter. Now taking refuge at her grandfather's remote Wyoming ranch, can Reagan and Coulter fend off the approaching gunmen - and keep a child out of a killer's hands?