Where is the secret city?
When Paulina gets a phone call from home telling her that a friend is missing, the Thea Sisters travel to Peru to help solve the mystery. There, the five mice climb the Andes Mountains in search of a missing archeologist. long the way, they stumble upon clues leading them to a mysterious hidden city. Will the Thea Sisters find Paulina's friend -- and the treasure of the Secret City?
NICKY is always in a good mood when she's outdoors.
COLETTE is energetic and full of great ideas.
PAMELA is a peacemaker who can't stand arguments.
PAULINA loves traveling and helping other rodents.
VIOLET is detail-oriented and al ways open to new things.