He Qing is an ordinary girl who is innocent and independent, while Yin Ran is a second-generation academic master from a wealthy family. He Qing accidentally got involved in a wealthy family dispute, and was used as a substitute by Yin Ran to get involved in his plan in the family and business struggle. She fell in love with Yin Ran unknowingly and became a love brain. They encounter many conspiracies and frame-ups, but the two work together to finally expose the villain. This pair of men and women with very different personalities finally get married in a modern wealthy romance story.