On the day of her engagement, wealthy heiress Ruan Xian Ge is set up by Ruan Xia Yan and ends up spending a night with a stranger. Ten months later, she gives birth and hastily marries Qi Si Li, never expecting that he is actually the richest man in the country and a powerful CEO. As they spend time together, they gradually come to understand and fall in love with each other. Qi Si Li secretly helps Ruan Xian Ge resolve her family and workplace troubles, fend off romantic rivals, and protects and cherishes her in every possible way.