Yu Su and Qi Ye were married to a wealthy family, and their relationship became estranged after marriage. She was indifferent to her husband and neglected to take care of her triplets. Until one day she witnessed tutor Zhong Qianli being intimate with the four father and son. That night she dreamed that she was the vicious female supporting character in the book, and was replaced by Zhong Qianli, and finally died tragically. Accidentally bound to the happiness system, Yu Su is determined to reverse his fate. She clumsily learned to be a mother while tearing green tea, and her three children gradually opened their hearts to her. Qi Ye went from being indifferent at the beginning to taking the initiative to protect his wife, and the elders of the Qi family also fully supported her. In the end, Yu Su successfully changed his tragic fate and gained the sincerity of the four father and son.
