In this all-new very special mini-series, the Aldens have been recruited by a secret society to return lost artifacts and treasures to their rightful locations--all around the world! The Aldens arrive in Egypt but the agent they're supposed to meet has gone missing! With the help of a puzzle in a papyrus scroll, they figure out their next mission--to deliver a tiny ancient pharaoh statue to an archaelogist at the Pyramids! Along the way they outwit a thief who tries to steal all the treasures. Their next mission is to England, to return one of the "crown jewels of Stonehenge"-- But someone is following them! Could it be someone from the powerful Argent family, ruthless antique collectors and bitter rivals of the Silvertons?