Henry's an average ten year old boy, or so he thinks!Spending his summer annoying his sister Jorja and playing football with his friend Jim. His adventures begin when he is tracked down by a Rayner called Ipxil, a friendly alien from planet Tepris who needs his help in the battle to save their world. Here, he meets new friends and encounters dangers he never knew existed.Their new friendships are tested as they join together to defeat the evil, threatening to destroy this peaceful planet.