Fullmetal Alchemist: Brotherhood follows the adventures of Edward and Alphonse Elric, two brothers who use alchemy in their quest to restore their bodies after a forbidden human transmutation ritual goes awry. Edward, a gifted alchemist, becomes a State Alchemist, while Alphonse's soul is bound to a suit of armor. Together, they search for the fabled Philosopher's Stone, believing it holds the key to recovering what they lost, all while uncovering dark secrets within their country's military and its history.