She is a descendant of the Mo family who is both talented and beautiful. She accidentally breaks into a different world and bumps into the most handsome man of the day who is abstinent, aloof and powerful. However, she hears him calling her "sister-in-law" and wants her to marriage with his the Big Brother of the Living Dead? With both talent and beauty, she immediately ran away from the marriage, but was captured and manipulated by him three times, fighting and flirting with each other, and her heartbeat kept beating! In an accident, the two of them were poisoned by the cloud and rain poison, and they fell in love and were bound for life and death... How should they face this forbidden relationship?