A righteous prosecutor, life reset, punish the villain! A hot-blooded prosecutor, Kim Hee-wu was murdered, cast into the ocean while chasing the tyrant who controlled Korea. But, Kim Hee-wu meets a grim reaper who gives him a second chance and sends him back to when he was 18 years old. As a high schooler, Kim Hee-wu prepares to punish the tyrant Jo Tae-seop. "To catch the devil, you must become one." (Source: Kakao, translated)