At the reading of her adoptive father's will, Aileen Bolton receives the shock of her life: Jack Bolton left his half of their Wyoming ranch to a stranger. Still reeling from this unexpected blow, Aileen is dealt another nasty surprise back at the Triangle B.
Quint Fernandez, the handsome, forceful new co-owner, awaits her, eager to claim his windfall inheritance. He is Jack's biological son from a brief affair whose identity and existence had been hidden from Aileen all these years. She begins to question how well she really knew her adoptive parents and feels betrayed.
Unable to buy each other out, Aileen and Jack reluctantly join forces to save the faltering ranch. However, their truce is soon imperiled by the attraction sizzling between them, crippling financial difficulties, vicious gossip, and a moral turpitude charge that may end Aileen's teaching career. The only answer seems to be a marriage of convenience. Yet how long can they resist their totally inconvenient need to share absolutely everything?