The Sirens are synonymous with greed and cruelty in the eyes of humans. They always use their songs to confuse the minds of humans at sea and plunder lives and wealth. Humans hate the Kraken and they try to take revenge. However, the Kraken dominates the sea and they can call tsunamis, but humans are powerless to retaliate. Finally one day, the Kraken clan lost the favor of God, and the power that provided them with survival in the sea continued to weaken. After the power disappeared, they would have to move out of the seabed. Once they set foot on the ground, the Kraken clan would be annihilated by humans.
Su Meng is a boy who was born from the love between a human and a sea monster and is hated by the sea monsters. Not only does he not have the bewitching beauty and tall stature of the sea monsters, but he can also transform into human legs.
When the sea monsters knew that their power would be obtained from human faith, they discovered Su Meng. Su Meng was given the responsibility of saving the entire clan and came to the land...