When Su Gao woke up in the dark undersea cell, hunger and despair were his only companions. He thought he was just a survivor of a plane crash, but he didn't know that the crescent birthmark on his abdomen had already involved him in the secrets of the deep sea that spanned three hundred years. This was not a prison, but a living sacrifice cage for worshiping the ancient gods of the deep sea. Every prisoner was a "blood sacrifice" that awakened the ancient existence.
