Penny finds an old book that directs the TreeSchoolers to a secret door that leads to the magical Letter Land. They meet the Letterflies, who teach them the sounds of the letters of the alphabet, a secret code to help them understand how to read and write.
This fully animated series features the cast of characters from Rachel and the TreeSchoolers: Penny, Simon, Bongo, Hue, Chroma, Isaac, Abacus, Abigail, and Tomas.