In order to investigate the truth about her family’s extermination, Xiao Xi, whose miraculous blood holds the cure for illnesses, pretends to be a fool and gets close to Ye Zhi Ting. But she never expects that her masks will fall off one by one. She also developed feelings for Ye Zhi Ting and vice versa. But when the truth surfaced, what should the two people who are in love with each other do?