Class 5 from Wigston embarks on an eagerly anticipated school trip to London, exploring iconic landmarks like the Tower of London, the Thames, and the Natural History Museum. Just as they're about to leave, Leo discovers a mysterious treasure map leading them on a whimsical quest across the city. The map challenges them to find three key-holders: the Noble Ninja of the Magic Garden, who tests their teamwork; Ping the Blessed, who assesses their kindness; and Whizzle the Charmed, who evaluates their learning and observation at the British Museum. Through a series of clever problem-solving and collaboration, the children successfully collect all three unique keys. These keys unlock a special, personalized storybook documenting their unforgettable London adventure, celebrating their curiosity, teamwork, and kindness, proving that even in a bustling city, grand quests await those with an open heart.