A car accident took away her sister's life, but moved her heart to a boy named Yuan Ye. By chance, Xiaoqi and Yuan Ye went to college in the same school or even the same class, and developed a relationship. When Xiaoqi loved him with all her heart, she discovered that the reason why he loved her was that she looked like his first love, Ruan Ai. In pain and entanglement, Xiaoqi finally noticed Ye Fan, who had been taking care of and accompanying her. When Ruan Ai returned to China, she found that her first love, Ye Fan, had already belonged to someone else. This girl was Yuan Ye's girlfriend, Xiao Qi. In order to regain his first love, Ruan Ai did not hesitate to use Yuan Ye to humiliate Xiaoqi, but Ye Fan agreed to get engaged to Ruan Ai in order to make Xiaoqi happy. A thrilling emotional battle silently escalated when the truth about Yuan Ye's heart transplant surgery was revealed. When Yuan Ye found out that he really loved Xiaoqi, Xiaoqi's father blocked her in every possible way because her sister's death was not accidental. Can lovers finally get married?