Yue Liuying of Jin State was originally just a simple and playful girl, but she was forced to marry Ling Qiye as a concubine by her brother-in-law's threat of poisoning. Yue Liuying didn't want to be controlled by others to do spy work, and she couldn't get rid of her brother-in-law's control, so she had to find another way to survive. On the wedding night, she planned to poison the groom to fake his death so that she could escape from the Ling family and regain her freedom. But on the wedding day, she and Ling Qiye had their own thoughts and played the ancient version of the "Mr. and Mrs. Smith" game. The simple Yue Liuying was no match for Ling Qiye, who had fought in the business world for many years. She was amused by the young master Ling, and her brother-in-law poisoned her many times. She had no choice but to temporarily put aside the idea of escaping and look for another opportunity in the Ling Mansion. Under the same roof, Yue Liuying gradually discovered that Ling Qiye was not as despicable as her brother-in-law described...