One Piece volume 54 features story and art by Eiichiro Oda.

With his brother Ace locked up in the Naval prison Impel Down, Luffy doesn't have much time to rescue him before his imminent execution. While he may have found a way to sneak into the maximum-security prison, finding Ace isn't going to be as easy. But a chance reunion with some former enemies just might be a blessing in disguise!