In the previous episode, Afro Samurai realized the teddy bear samurai was really Jinno, his old friend, that had been saved by becoming part machine. Afro has to go through Jinno to get to the number one headband.
Afro's father once held the number 2 headband. He didn't like the violence that came with it, so he tried to hide it. But many men want power and came after it anyway. Justice killed Afro's father and took the headband.
Justice, holds not only the number one headband, but many others. If he gets the number 2 headband from Afro, he will rule the world. He will be a god. He claims to want to use the headbands to bring peace, but then he insults Afro Samurai's father. Afro was injured pretty badly when he confronted Justice. Instead of swords, Justice uses a pistol in each hand. When Afro attacks, Justice gets a shot off and hits Afro. Afro gets up and comes at him again, this time under both guns chopping off Justice's arms at the elbow and slicing his throat. Just when Afro thought he had won, a third twisted arm comes from Justice's back spearing Afro onto a pike. All around are skeletons on pikes with headbands waving in the air.
Luckily, the pike went through Afro's afro. Justice wasn't finished yet. Afro Samurai went after him and made sure that he wouldn't get up again.
Many years later, Jinno (as teddy bear) shows up to fight for the headband.
What a great ending to an series! It was so cutting edge, literally. And Samuel L. Jackson is one of my personal heroes, animated or not.