Freya is dreading turning fourteen - that marks the official end of her childhood and when she takes up full duties of a Valkyrie - a collector of souls from humanity's battlefields.
When Pegasus, the majestic winged-stallion, crashes on to her roof in the middle of a storm that blacks-out New York City, 13-year-old Emily's life becomes that of legend: epic battles with gruesome monsters, desperate chases from a corrupt governmental agency, captivating flights astride the beautiful winged-stallion, and one heroic quest to save Olympus before the Olympic flame burns out .