Ace is freed at last, he and Luffy fight their way back to escape from Marineford. Everyone is glad for it, as Squardo and his crew break in the plaza with the paddle ship to give a chance for everyone to escape, but is stopped by Whitebeard, claiming it would be a shame for a son to die in front of his father. Whitebeard stands and orders his sons to escape, saying the New Era does need a person like him. (thetvdb.com)