The film revolves around a pair of big-boned, bumbling cops who find themselves at the heart of a drug trafficking case. The agent "J" (Zhang Wen) was shot in the head during an A-level mission, causing damage to the intracranial hypothalamus. During the period of rehabilitating, J gradually became a big fat man of three hundred pounds and suffered from severe narcolepsy, but J still considered himself a ace agent.... see more