share time: 2025-10-12 06:03:20
Lin Xiaoman, a recent graduate safety engineer, rushes home after learning her father died in an “accident” at an abandoned arsenal. Refusing to believe her father would “mistakenly operate machinery” in a long-shuttered workshop, she insists on investigating—only to be warned by the elderly caretaker Lao Zhou: “Don’t touch the gears in Workshop 3 at night.” But that very night, the sound of her father’s favorite machine tool echoes from Workshop 3. Even stranger: half a blueprint from her father’s relics matches the bloodstains that suddenly appear on the workshop wall. As she digs deeper, a 30-year-old “worker disappearance case” hidden in the arsenal resurfaces. Lao Zhou’s true identity and the secret her father kept for a lifetime are slowly closing in on her...
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