"Demon, the official Olympian beast keeper, is caught between Helios and Poseidon, who are planning a race to see which of their steeds is the fastest, but both vengeful gods have requested Demon's help, and he can choose only one"--

"Demon's life on Mount Olympus has never been busier. Thanks to the awful heroes down on Earth, Demon has even more injured beasts to care for. And worse still, the goddess Psyche wants Demon to "borrow" Zeus's prized eagle for an urgent mission. But is her task worth the risk of offending the king of the gods?"

Eleven-year-old Demon had never met his father, the god Pan, until the day he was whisked away to the stables of Olympus and charged with looking after all of the mythical creatures there, a task which is complicated by the tempestuous gods and goddesses and Heracles, who keeps killing the immortal beasts.

After a sea battle between the Olympians and the Titans, the Olympians find themselves shipwrecked on an island, and when Uranus' stars falls into the ocean, a dangerous wave of bubbles heads towards the island.

Perseus and the Olympians face off against the snake-haired Medusa.

The Olympians search for the spear of fear, a weapon that belongs to Ares but is currently held by the Amazonians.

The Olympians must face the fierce giant Typhon in order to find magic seeds that will help grow the earth after the terrible drought brought upon the land by Hyperion.

With a giant spiderweb in the sky with the words "Surrender Olympians" written in it, Zeus and his friends know they are in for a fight, but the webs actually contain a hidden gem, Athena's magical item.

When Zeus meets a boy named Hermes who claims to know the Olympians' next quest, Zeus repays the information with winged shoes, setting off an adventure to fulfill Pythia's next quest and find a winged horse.

When the Olympians arrive on the island of Lemnos, they meet the metal-working Hephaestus who is hesitant to leave with the gods, stating that the only way he will join them is if he gets to be their leader.