Prince Willin is the only heir to the underwater kingdom. Because he was rejected by his cousin, Willin came to Earth, named Yuxiang, and founded "Yuxiang Technology Company".
Yuxiang accidentally meets Tongwei, an Earthling who once saved his life. Tong Wei is going through a divorce battle and is burdened with huge debts. Yuxiang then secretly helped Tongwei tide over the difficulties. Later, Yuxiang discovered that he had fallen in love with Tongwei uncontrollably.
Can opposites overcome all the differences and obstacles and fall in love?