Catherine Coleman flees a loveless marriage and painful divorce and returns to the sheep ranch left to her by her grandfather, where the splendor of the Canadian Rockies brings back memories of her teen summers spent sneaking off with the son of the neighboring cattle rancher. Cal Walker stole her heart, but when her ruthless father intervened, Cal went off without a word and happiness slipped through Catherine's fingers. Now, determined to get the crumbling sheep ranch back in shape, she fights the attempts of an unknown assailant that sabotage her efforts and threaten her life, but the most dangerous threat of all is losing her heart once again to Cal.