Demon is sick. He ate too many honey cakes at the party celebrating his new job as beast keeper to the gods. But the animals still need to be cared for and there is a visitor coming to the stables who may or may not be the goddess Hera. The last time he saw Hera she threatened to turn him into a lump of charcoal. It's just not easy being stableboy to a bunch of demanding and petulant deities. But when the visitor arrives it's not Hera but Hades, and with him he has brought some rather dangerous earth dragons who need meat. Where on Olympus can he find meat? If that task wasn't hard enough, next Hades orders Demon to follow him to the underworld, where his pet dog, Cerberus, is feeling poorly.