Fourteen-year-old twins Scott and Jamie Tyler have never known who they are or where they came from, but they have always known that they possess extraordinary powers. When Scott is kidnapped by the sinister Nightrise Corporation and Jamie is framed for a murder, they realize that they must use those powers if they are going to survive. But Jamie is catapulted thousands of years into the past, bringing him face to face with the full horror of the Old Ones. Here Jamie learns that he is one of the five Gatekeepers whose power is all that stands in the way of eternal chaos. Together at last, the Five must fight the massed forces of evil. And they must win.