Two children who look like two peas in a pod decide to live each other's lives.

On one hand, there is Tom Canty, a poor boy dressed in rags, forced to beg in the dirty alleys of London. On the other hand, there is Prince Edward Tudor, heir to the throne of England, who enjoys all the comforts in a luxurious palace.

What will happen when one day they accidentally meet and decide to swap clothes? How easy is it to be a prince? How difficult is it to live in poverty?

An incredible adventure filled with misunderstandings, mix-ups, suspense, and plot twists, in a story that continues to teach, move, and entertain young readers.