Firearms pierce through supernatural realms and demonic forces, mortal strength builds interdimensional barriers against chaos! Post-war reconstruction struggles plague Tianmen City in the Ming Dynasty's second year, where lawlessness flourishes and restless spirits hunt freely. Necessity forces the impoverished to grow up fast, compelling soldiers to fend for themselves. Wang Yunxiao serves as an external operative for the Special Service Bureau, tackling paranormal crises and supernatural threats across the region. Meet his wife, Li Mumu—compassionate, graceful, endearing, and unnervingly kind despite being an evil spirit herself. Yet she maintains a diary with meticulous sincerity! Can handwritten confessions ever capture genuine emotions? Hardly convincing! (The female lead's dedicated arc unfolds from chapter 87 onward)