Mystic Realm in the Sea of Fog

More than thirty years ago, a research vessel vanished in the South China Sea.

A search team found the expedition leader in the water, but he had gone mad.

Later, fishermen photographed an ancient city beneath the sea, drawing adventurers from around the world like moths to a flame.

Zhang Qianfan's father was among them, but he went to sea and never returned.

Hired to search for his father, Zhang Qianfan sets out to sea and unexpectedly finds an ancient mirror.

No one could have guessed that the mirror concealed a horrifying top-secret secret...