Dan is a lonely boy whose parents are constantly arguing. One day, he finds a mysterious glowing egg. Dan secretly nurtures his precious find until a tiny red dragon hatches out of it! This is no ordinary dragon, but the one from Welsh legend who has been sent to vanquish a terrible foe. The dragon grows to a large size, thanks to Dan's constant supply of chilli sauce! The evil white dragon arrives and a dreadful battle ensues, during which Dan fears he may lose his new-found friend.