The Past Returns to Haunt Him

When he was young, the protagonist was influenced by external factors and took the wrong path. He drifted for half his life, making many missteps along the way. He had planned to put his past behind him and live a stable life in his later years, only to have an old unresolved case from years ago resurface. Hidden dangers from the past erupt one after another, threatening to shatter the stability he built over decades. All past events will finally come to a resolution at this moment.