Her biological father was uncaring, her aunt was mean, and her eldest sister was unruly. He took her back to the house for one thing only - to marry her eldest sister to the sick Prince Guo who was rumored to not live to be thirty years old.
On their wedding night, with the red candles burning high, she lifted her hijab and looked at the pale man on the couch, "My lord, you have been poisoned by the strange poison 'Qianri San' from the Western Regions. I can cure it. The man slowly opened his eyes, looked at her, and smiled: "Deal. "A substitute marriage, in exchange for a deal with different intentions, he helped her find out the truth about her mother's unjust death, and she helped him get rid of the strange poison that had been haunting him for three years. But no one expected that this marriage that started out as a calculation would eventually become each other's only salvation.
