Cast aside as an infant because Thetis dared to resist, Achilles grows up beside Leon, a crippled guardian trapped beneath a cruel regime. Sent to a brutal arena, he receives a sacred spear from his mother and survives beasts beyond mortal strength. When celestial flames ignite the power in his veins and Leon gives everything to save him, Achilles must wield the sea god's gift to bring down the tyrant who shattered their lives.