From the introduction:
Welcome adventurous dogs! You are all members of the League of Canine Adventurers, a noble and proud organisation that works to aid the two-legs in their quests to make the World a better place.
You have gathered to review a well chewed journal given to you by an elderly dog called Indy. It tells of an ancient magical artefact, the Golden Whistle of Calling, which can call forth the mighty Bark of Power, lost for generations and said to give dogs who hear it incredible gifts to help them in their noble missions.
Thought lost, it is now your quest to seek the Whistle and restore the power of the Lost Bark, so that dogs everywhere can be empowered to aid their friends and families in the world.
You are gathered in an old, half abandoned graveyard, in the dead of night, outside the Mausoleum mentioned in the journal. Its stone walls are carved with the growling faces of fierce dogs and each corner is decorated with a canine gargoyle growling into the night. The door sits slightly ajar and a strange mist curls out from within…