Tank is a clumsy, outgoing Great Dane, and Haggis is a bored, curmudgeonly Scottie. One afternoon Tank suggests they turn the wagon in the backyard into a ship and play pirates.
In this adventure Tank the Great Dane's active imagination takes her and Haggis the Scotty on a airplane trip to Scotland, where they visit a castle, enjoy high tea--and get chased by a werewolf.