Alfie Onion has just set off on a great adventure ... but only to carry his brother's luggage. It's his elder brother, Magnifico Onion, who's destined to win their family a Happily Ever After. But when it turns out Magnifico isn't half the hero he's cracked up to be, it falls to Alfie to save the day - with a little help from his loyal dog, a talking horse and a couple of meddling magpies.