When a daring mission leads a deep sea submarine team into a mysterious opening on the ocean floor, they uncover a lost underwater world and awaken its ancient race of otherworldly beings.

The Two Princes, imprisoned and allegedly murdered in the Bloody Tower within the Tower Of London by Richard III. The story tells how they allegedly came back to haunt the Tower and with guards and inmates starting to die in horrible circumstances, it becomes clear the Two Princes are out for revenge. A chilling ghost story based on the famous mystery.