Trooper the Bloodhound is a slow talking, slow walking natural-born sleuth, devoted to his "human", 10 year-old Tommy. Trooper, Tommy and their family have just moved to a new town, but they soon discover it's a small town with a mysterious legend...a legend of a Golden Key that could be worth one million dollars! While Tommy delivers newspapers, Trooper sniffs out clues, helped by his new doggie pal, Dash...the mischievous and ever energetic little pup. With each new discovery the mystery deepens, and now danger is headed their way! Will Tommy and Trooper be able to unlock the Legend of the Golden Key before it's too late? Will Trooper be able to save Picklebees? One thing's for sure...With Trooper the Bloodhound on the case, things are bound to get interesting.