This series is adapted from Enid Blyton's best-selling and much loved Secret novels. The story focuses on Thaddeus Arnold, an eccentric widower and explorer, his four children - Jack, Peggy, Mike, Laura and their adorable pet dog, Prince - along with the beautiful and feisty photo-journalist, Charlotte Clancy These are the prime characters in this exciting series of danger... mystery... and intrigue - with a great deal of humour too. We follow Thaddeus and his family on their travels which lead into unexpected adventures - ranging from encounters with lost civilisations in Africa to a villain's plan to overthrow a King, from a mysterious castle to a crazed scientist's attempt to control the world. Filmed on location throughout beautiful New Zealand, there is a diverse range of locations and scenery with great production values.