The Red Branch Knights

Finn McCoy and his friends are whiling away the summer holidays playing outdoors in their small Irish town when they fall foul of the town bully. Fleeing they find a tiny injured man called Finnerty who claims to be a Leprechaun, a creature from Irish mythology. Finnerty was hurt whilst escaping a mysterious Enemy that is destroying the Fairy realm. He recruits the friends to help him and transports them to the City of Eternal Youth, Tír na nÓg. The children find it besieged by the Enemy who are only just held at bay by an ancient magical shield. Barely avoiding the Enemy army, the children enter the city where the fairy Elders magically improve the children's natural talents: Finn becomes a master military tactician, Tommy’s speed is increased, Frankie becomes superhumanly strong and Mary gets healing hands. Faced with a relentless and cunning foe, these powers may not be enough and the children must find deep inside themselves the qualities that may yet turn the tide...