She locked every door. She should have locked her heart.

On the eve of the year's most enchanted night, master alchemist Elanor Virelle finishes her most ambitious potion yet: one that can stretch a single moment into an eternity.

Raphael Barnett once stole her greatest creation and sold it to the highest bidder. He was her apprentice. Her lover. Her worst mistake.

Now he's back, slipping through her wards like a ghost. He's still charming, still dangerous, and maybe... just maybe... still hers.