Bai Ye, a top assassin, finds herself transmigrated into the body of the disgraced young lady, Bai Ruyue. Having been severely wronged, she vows to exact revenge and eradicate the clan responsible. Yet, beneath her cold and ruthless exterior, she is also a highly esteemed medical genius. Despite her formidable skills and unwavering resolve, Bai Ye remains ignorant of love. Her world begins to shift when she encounters a mysterious man who saves her life. Through his guidance, she slowly learns the meaning of love and protection, transforming her in ways she never imagined.