A young schoolgirl called Debbie wonders into an old curiosity shop. There, she stumbles on a game called "Wonders in Letterland", which, to her surprise, comes alive. Befriending the game's inhabitants, Debbie soon learns of the evil witch T-Bag, and soon finds herself charged with locating a series of missing letters....

Debbie must learn the name of a guard in order to advance to the next stage of her quest...

Debbie befriends a friendly skipper called McKipper, who nails himself a treasured find in the form of a golden S, only to throw it back into the sea. Debbie and McSkipper embark on a search beneath the waves and encounter T-Bag and Seraphina the Seasprite...

Debbie teams up with archaeologist Indiana Inkspot to search fro the golden treasure of the inkers as well as the next missing letter

Debbie and Polar Pete are presented with a problem when T-Bag locks the letter P deep within an icy prison

Debbie embarks on a treasure hunt when her letters are taken by the pirate Rascally Roger...

Debbie and T-Shirt arrive in the land of V, where they come face to face with a vampire, and T-Shirt feels the power of the sleeping violets. T-Bag takes action and disguises herself as T-Shirt in a bid to seize Debbie's letters...

Debbie helps the elderly Fife O'Clock get his clock working again...

T-Bag, Debbie and T-Shirt arrive in the final zone of the Letterland game, where they must make a melancholy emperor laugh in order to attain his gold necklace..

Debbie and T-Shirt race back to the beginning of the game, but find that T-Bag has a surprise up her sleeve that puts things in her favor. Can Debbie unravel the secret of the chest?