His parents were killed for researching medicine. Pei Anan was pampered by his brothers and grew up. However, he was repeatedly misunderstood because of his adopted Wen Tian and became a demon. He was humiliated during his coming-of-age ceremony and even kicked out of the house by his own brother. Desperate, she took her brother's place and went into isolation for ten years to research medicine, and missed the last farewell to him. Twelve years later, she returned with the results of her drug research. She regretted it when her brothers learned about Wen Tian's true identity. She had long since let go when they reunited, and this belated compensation turned out to be a regret. . .