When urban young man Zhong Xiao accidentally inherited Zhong Kui's bloodline, he thought he just had a side job of catching ghosts. It wasn't until the ancient shadow deep in the South China Sea whispered to him that he discovered that he was the key to the "Door of the End" - and the fate of the key was never to be protected, but to be inserted into the keyhole and face the "eye of the sea" that devoured everything behind the door.