Legend has it that a dragon has nine sons. Jiao Tu is the ninth son of the dragon. The dragon king and the clam spirit fell in love and gave birth to this child who was as dragon-like as a clam but left them again.
The child in the orphanage who was born with a hare lip never interacted with others and did not like to talk. It's still the same after being adopted. Until he met her, the one he was willing to love and cherish for the rest of his life. At this point, the wheel of fortune begins to turn.