share time: 2026-06-22 00:31:24
When the border is in crisis and enemy forces invade, the seemingly weak county magistrate Fang Mo—long looked down upon by colleagues and soldiers for his delicacy—hides his hard-core strength as a science student. He leverages junior high school physics to improve city-defense gear: reinforcing catapults with leverage, making river obstacles via buoyancy, and setting fire attack points based on thermodynamics. He repels the invaders step by step, completing a spectacular comeback from a “useless magistrate” to a “city-defense hero” and slapping all those who once doubted him.
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