Montagu Mole is Digger Mole's cousin. He is known as "Monty". He lives in the grounds of Beaulieu Palace right beside the National Motor Museum. Monty is crazy about cars, and he realises that moles need underground roads if they are ever going to drive cars. He hatches a plan to make it possible . Read on to join in Monty's fantastic adventure with his friends from all over the country.