There was someone who set out after receiving orders from the Absolute One who first unified the continent to learn the secret of immortality. He believed that he would definitely discover the secret of immortality even if he had to travel all over the world. He never returned until the Absolute died and the empire collapsed, leaving behind only numerous speculations and gradually being forgotten in people's memories. And after a long time...

A mysterious stranger rides into town. The peaceful village of Gang-Ho is disturbed when Yongbi, a seemingly foolish bounty hunter, comes to town looking to claim the bounty for the leader of Gang-Ho's deadliest clan of assassins. Will Yongbi collect the bounty unscathed, or will he fall victim to a vengeful pack of assassins hell-bent on retribution for their captured leader?