Reese, daughter of Athena, Finley, son of Ares, have been sent into the depths of the UnderWorld by Zeus to find the missing LightingBolt that withholds Zeus's power. Hades, however, has other plans. Zeus may not have his LightingBolt but will have to defend Olympus with help from the other gods, while Reese and Finley head out to the UnderWorld to find the LightingBolt before it's too late. Both of the half bloods have yet to find their power, Daughter of Wisdom and Son of War, will they struggle to find it? Will Hades destroy Olympus? Will the LightingBolt be found before it's all too late?