C21 The Gun and the Special Police
Lee Yuanhong led his riflemen to the second floor, only to be halted by an iron door with two persistent zombies banging against it from the other side. Rather than squander the opportunity, Lee Yuanhong put Lee Dongchen and Lee Yanhu through their paces. By the time he was done, the pair were so exhausted they couldn't even rise from the floor.
After dispatching the zombies behind the door