Her grandmother is critically ill and her relatives are forcing her to get married. Su Qingyan is desperate and contracts a flash marriage with Lu Chen, a librarian she meets by chance at the door of the Civil Affairs Bureau. She thought she was marrying an ordinary person, but she didn't know that this man who delivered food to her on an electric bicycle could bankrupt the person who humiliated her with just one word. When his immense power was unexpectedly revealed, she discovered that what she had casually grabbed was the king of the entire chaebol empire.
