In the spring of 1863, as he faces battle for the first time at Chancellorsville, Virginia, a young Union soldier matures to manhood and finds peace of mind as he comes to grips with his conflicting emotions about war.
Twelve-year-old Percy Jackson learns he is a demigod, the son of a mortal woman and Poseidon, god of the sea. His mother sends him to a summer camp for demigods where he and his new friends set out on a quest to prevent a war between the gods.