While protecting egotistical transfer student Orion, Artemis makes a mistake that later provides her with the chance that she has both hoped for and dreaded, to prove her courage to herself and others at Mount Olympus Academy.
Athena agrees to look out for Heracles, a mortal who has transferred to Mount Olympus Academy, and as she tries to help him fit in with the other kids, she finds herself drawn into his quest to complete twelve important tasks.
Aphrodite must raise her grade in Hero-ology, so she creates an extra credit project for matchmaking mortals called the Lonely Hearts Club, which takes her to Egypt, where she must face off against the goddess Isis in a battle to see who can find a match for the most annoying mortal boy ever.
Medusa, the only mortal at Mount Olympus Academy, has snakes for hair and a reputation for being mean, but after she seeks out a magical necklace that has the power to help her become as beautiful and popular as the other goddesses--and hopefully get Poseidon to notice her--things do not work out the way she hopes.
Despite the warnings of her friends at Mount Olympus Academy, Persephone befriends bad-boy Hades, but following her mother's advice to "go along to get along" complicates Persephone's relationships with all of them.
Orpheus, a mortal rock god, asks Persephone to help him get the love of his life, Eurydice, back from the underworld, and Persephone agrees to ask for Hades help after she is voted most dependable by her friends, a label she doesn't want to have.
Pandora, one of the few mortals at Mount Olympus Academy, whose curious nature makes it difficult for her to not take a peek in the mysterious and dangerous box brought to school by Epimetheus, which causes far more trouble than anyone could have imagine.
Athena agrees to look out for Heracles, a mortal who has transferred to Mount Olympus Academy, and as she tries to help him fit in with the other kids, she finds herself drawn into his quest to complete twelve important tasks.
Athena learns that she is a goddess when she is summoned to Mount Olympus by her father, Zeus, and she must quickly adjust to her new status, make friends with the other godboys and goddessgirls, and catch up with all the studies she missed while attending mortal school.