Lu Shisan, a seventh-rank constable in Xianyang County, has only one goal in life: clock out on time and save enough money to buy a house. After an accidental slip, his laid-back 'salted-fish instincts' unexpectedly propel him to the top of the martial world. But capital brands him a mole and freezes his down payment. Since nobody will let him clock out, Lu Shisan has no choice but to draw his chipped iron saber. 'You can compete in your rat race all you want, but I'm clocking out on time today!'