Jack lives in the house of his owner, Cornelius, who owns a small antique shop.  
Unknown to Cornelius, Jack has a secret life, that of a Pirate!  
With his band of cut throat mice, water voles, and pigeons, he spends his time battling with Harpoon 
Harry, a one-legged albatross, and his gang of thieving seagulls, as he tries to supply Cornelius’s shop with real pirate treasure.