Luffy and Zoro fight the Marines captained by Morgan for surviving execution. They manage to defeat Morgan which earns them the respect from the townspeople and the Marines in that base. Koby is finally able to fulfill his dream of joining the Marines and Luffy set sail to his next adventure with Zoro as his first crew member.
Luffy delivers Zoro's sword and he explains that he uses all three for his sword style. Luffy defies him to choose between joining forces or die there by the Marines. Zoro agrees to join Luffy while the Marines are stunned by Luffy's Gomu Gomu power and Captain Morgan explains about the mysterious Devil Fruits.
Captain Morgan orders a direct attack while Luffy is trying to untie Zoro. He give him his swords in time to stop the attack. Luffy takes the Marines down with a kick before charging in to attack Morgan. He retaliates at Luffy who is too fast for him and ends pummeled. Helmeppo treats Koby with a gun to stop Luffy from continuing punching Morgan. Koby decide to ignore his own danger, which Luffy notes to Helmeppo just before throwing a punch at him. Morgan recovers and is about to hit Luffy from behind when Zoro charges in in time to save Luffy. Morgan falls to the ground defeated and the Marines celebrate that his reign of terror is over.