Xiong Ruoxi is a talented painter who possesses an excellent memory. However, she was arrested for drawing a painting of the Li family's mysterious picture book. While escaping, she accepts a well-paid order; which requires her to sneak into the Li manor to draw a painting of the mysterious "Four Lohan". Xiong Ruoxi was sent to serve Li Hongbin, the young master of Li manor who is rumored to be cruel and abusive. However, she somehow accidentally spends the night with him. While attempting to escape, she was caught and had no choice but to lie about being pregnant with Li Hongbin's child. Li Hongbin also went along with the lie, as he wanted to escape from an arranged marriage with the daughter of Song family.