Character Profiles:
Female Lead: Bi Ge was originally human, born Qi Ge. She is the legitimate granddaughter of the chief elder of the Qi Tribe, born during the Xia Dynasty, in the later years of King Qi's reign. Her parents were killed by demons, and after being passed from one human trafficker to another, she ended up in Yangzhai, the Xia capital at the time, where she became a slave. Later, after joining with the male lead, she became half merfolk. She fell into a period of despair after he was sealed away, but eventually decided to cultivate immortality and grow stronger, all to save him.
Male Lead: Canghai is the eldest of the Dragon King's nine sons. His true form is Qiuniu, the creature of legend in later generations, and he loves music. After getting drunk and accidentally knocking over the Heavenly Evolution Fate Disk of the Great Dao, he was punished by the Queen Mother of the West and banished to the mortal realm, losing his memories. Bi Ge found him, and in time they fell in love and married. When his memories returned, he went berserk, devastating all living things, and was eventually sealed beneath the sea.