When Eddie 'Dipper' Hopkins steals George Archer's wallet, he has no idea that he is about to enter a dark world of grave-robbing, assassins and zombies.

For George Archer is no ordinary citizen, and in his wallet is a clue to a secret that has remained hidden for millions of years. Eddie and George join forces in a heart-stopping race to unravel the secret before London is overrun by creatures from the dead.