Zog is a keen young dragon who wants to learn to fly, roar, and breathe fire, so he studies at the Dragon School. He is desperate to impress his teacher and win a golden star, but he is prone to accidents and he has to be helped by a kind young girl who patches up his bumps and bruises.
Aziraphale, an angel, and Crowley, a demon, join forces in order to prevent Armageddon. They attempt to raise the Antichrist in a balanced and human way, but are they focusing their efforts in the right direction?