Meet Phoebe Katz, a twelve-year-old foster kid from New York City who's been bounced around the system her entire life. Things happen around Phoebe, but it's not like they're her fault But when a statue of Athena comes to life, Phoebe gets the stunning news she's the daughter of Zeus, has a twin brother named Perseus--and was sent away from ancient Greece as a baby to stop a terrible prophecy that predicted she would one day destroy Olympus.

Athena warns Phoebe to stay in hiding, but when the vengeful god Ares kidnaps her beloved social worker, Phoebe has no choice--she has to travel back to ancient Greece and rescue him There, Phoebe and her friends Angie and Damian discover a new prophecy, one that may fix everything. The catch: Phoebe has to collect talismans from six Greek monsters, including the fang from a nine-headed hydra, a talon from the Nemean lion, and a feather from the sphinx. No problem for a girl with the power to call up lightning bolts and change the weather But can Phoebe collect them all and stop the prophecy before she destroys Olympus?