Male protagonist: Gu Yanchen, 29 years old, is the president of the Gu Group. He is ruthless and controlling. Due to his childhood experience, he is indifferent to emotions and suffers from insomnia.
Female protagonist: Su Wanxing, 22 years old, is a recent graduate from the Academy of Fine Arts. She has a simple and kind personality, loves painting, and has a clean and healing temperament. Due to family changes, she is in urgent need of work and enters Gu Yanchen's life by accident.
