This episode covers the life of Aegon IV the Unworthy, the man who fathered the Blackfyre Rebellions. A King who used the Iron Throne to serve his needs, caring little for the realm. He made life miserable for his sister Naerys and brother Aemon the Dragonknight while siring Bittersteel, Bloodraven, Shiera Seastar and Daemon Blackfyre himself.