Happy leads a simple, quiet life on the farm. A peaceful and sociable pony, he is loved by Farmer Jo and all the other farm animals who make up his own little family.

He has never known life beyond the countryside until one day, everything changes. Loud noises reverberate across the grassy plains and draw his attention to a huge, one-eyed, fire-spewing monster. Frightened out of his wits, Happy looks for cover to hide.

But when he learns of the monster's identity, his curiosity gets the better of him. He faces the fear of the unknown bravely and embarks on a journey deep into space.

Join Happy in his thrilling adventure of a lifetime as he learns about space and meets new friends on his journey.