An unexpected street collision makes Joanne, an ordinary designer, the legal wife of Ouyang Ling, the prince of Beijing. This marriage started with "giving an explanation to my aunt". In front of others, he was a respectful stranger, but behind others, he was a sweet trap that he fell into every night. Everyone was waiting to see the joke of her being kicked out, but little did they know that the man who was rumored to be cold and cruel had already been obsessed with her and couldn't extricate himself.