When his aunt and uncle become pawns in a Chinese gang's plan to steal the Khan's most prized possession, junior archaeologist Addison and his friends are caught in the middle of a war between the gang and a band of Russian adversaries.

After twelve-year-old Addison Cooke's uncle unearths ancient Incan secrets in Peru, he is kidnapped by a shadowy organization intent on stealing the treasure unless Addison and his friends can decipher the clues first.