I love my big brother, Felix. And he loves me, too. We are best friends. We invented wrestling. We can read each other’s MINDS. We can take over the WORLD together. He is the bestest big brother ever. Nano loves his big brother, Felix, but sometimes Felix gets annoyed and frustrated - he wants some SPACE; he's fed up of Nano following him around. Feeling hurt and sad after Felix bans him from the garden treehouse, Nano decides he can make his own fun. He doesn't need anyone else. But when his game goes wrong, and he ends up feeling even worse than he already did, there's only one person...