Vivienne Jones, a witch nursing a broken heart, cast a casual curse on her ex, Rhys Penhallow, not expecting it to wreak havoc when he returns to their town of Graves Glen to recharge its ley lines. As Rhys finds himself beset by calamities, Vivi realizes the Ex Hex wasn't so innocuous after all. With the town now plagued by enchanted mayhem—from vengeful specters to chatty felines—Vivi and Rhys rekindle their fiery chemistry to lift the curse, save Graves Glen, and break the chains of their past.