Each vibrant Colourblock personifies a color, making it memorable and exciting for a child. The Colourblocks discover that they can add colour to the world and, by working together, they can create new colours and make new friends.
The letters will be go on a adventure. First, they will have to be in a good group. Then, they will take a cab. Last, they will have a final battle with F. At the end of the movie, it will show F and N being good friends and a post ending.