When the goddess Artemis disappears while hunting a rare, ancient monster, a group of her followers joins Percy and his friends in an attempt to find and rescue her before the winter solstice, when her influence is needed to sway the Olympian Council regarding the war with the Titans.

The long-awaited prophecy surrounding Percy Jackson's sixteenth birthday unfolds as he leads an army of young demigods to stop Kronos in his advance on New York City, while the Olympians struggle to contain the rampaging monster, Typhon.

Follows Circe, the banished witch daughter of Helios, as she hones her powers and interacts with famous mythological beings before a conflict with one of the most vengeful Olympians forces her to choose between the worlds of the gods and mortals.

Perseus is the mortal son of Zeus, who sets out to fulfill his destiny by rescuing beloved Andromeda from the wrath the goddess Thetis. Perils await Perseus time and again. In order to fufill his destiny, Perseus must complete various tasks including taming Pegasus, capturing Medusa, and answering riddles.