Queen hastily ties up the sleeping Big Mom and carries her to Onigashima leaving Udon to Babanuki. Babanuki uses a weapon that Queen made to threaten inmates and make them catch Luffy, but a mysterious figure emerges from the forbidden cell to save Luffy.

Luffy faces those who are infected by the Plague Rounds and the non-infected prisoners who submit to the authority of Udon. To open their eyes, Luffy takes a measure that will risk his life. However, the Chief Warden Babanuki has something up his sleeve.