Lin Xunyin, the wife of Marquis Pingnan, was deeply betrayed by family and love. In order to find freedom, she came to the makeup shop to have her face changed. With the help of Su Wanyue, the makeup artist, she went through the pain of face-changing, designed a fake death to get rid of her cold husband, eccentric parents and fake sister, and started a new life with a new identity of Sun Sui'an. She practiced medicine with her adoptive mother to help the world, put aside the pain of the past, found stability and freedom in her own life, and truly lived the way she wanted.