A noblewoman marries into a powerful ducal family to save her own, only to discover that the marriage is a trap. Her husband has a mistress and sabotages her efforts to reform the estate, all as part of a scheme to seize her family’s lands. To end their unconsummated marriage and cut all ties, she must repay 100 million within five years. Just when all seems lost, she finds hope in extraordinary dessert recipes left behind by her late mother, a legendary sage. With the second prince, her childhood friend who has always loved her, by her side, she sets out to turn her knowledge and sweets into a thriving business, divorce her corrupt husband, and claim her own happiness.