A Joyville apprentice is taken on a weird and wonderful journey to discover the secret of Dairy Milk's delicious taste by an older Joyville secret keeper. He is taken through hidden portals between Joyville and the real world, dropped down secret trapdoors, down chocolate slides, and through a Fort Knox vault before the secret is finally and triumphantly revealed. The secret is...MILK! He points out that he already knows that as its written on the pack. Its the not so secret secret ingredient