The story revolves around a mercenary named Guts, who encounters a powerful group called the Hawks and their leader Griffith. They welcomed Guts into their family. However, it soon becomes clear that Griffith is a traitor. In order to gain power for himself, he betrays his comrades and sacrifices them to evil forces. Now, pursued by demons, Guts is determined to carry out his plan for revenge. He wants to settle the score with the man he once trusted.