As an orphan in the impoverished village, no one wants to take care of them, is hard enough to take care of their own family who wants to take in three small children? Then one thing led to another they end up in the street of Nan Jing city, they say it would be easier to find a job in the city, but the reality is harsh.
Mong Ki and his brother live in the dilapidated abandoned building with other homeless and beggars, every day he must protect his young brother and sister from thug and thief that swarmed on the street, Mong Ki is too young to find a job and he had no choice but to become beggars and stealing when he in a dire situation.