Wild and beautiful Allana Dundas is turning nineteen, and everyone believes it's high time she wed. Her family expects her to marry Nevin Kirk, the ruggedly handsome son of the neighboring Laird. But when a forbidden embrace ignites between Nevin and Allana's quiet younger sister, Bettina, all expectations shatter.

As sibling rivalry intensifies, the sisters find themselves unwittingly competing for Nevin's affection. Heartbroken, Allana crosses paths with Kendrick Muir, a mysterious and alluring merchant from Mull. An irresistible passion unfolds, and a proposal seems imminent.

News of their budding romance shakes the mature and seductive Laird Gavin Ingram to his core. Determined to ruin their union, he'll stop at nothing. When a long-concealed ally arrives with a heart-breaking secret, Allana's future spirals into chaos once more.

Facing the looming threat of spinsterhood, will the free-spirited Allana find her true destiny? Or will the twists of fate finally tame her wild heart?