She---she was a gold medal agent in her previous life, known as the cold-faced killer, but she came to the world with him because of an accident. He is the eldest son of the Xiao family and the president of the Xiao Group. They were a married couple, but because of her arrival, the coveted position of the eldest mistress of the Xiao family was given to the second daughter of the Shen family, and they met by chance. So, the story begins...