Gyung-sun drives a cab on the night shift and meets every kind of scum there is. She used to be a professional safecracker, but now she stumbles through the day clinging to the sole hope that someday she'll be reunited with her daughter. One day she meets a girl named Soo-jin, who is the spitting image of herself back when she had it made. Soo-jin lives with her vicious boyfriend, Bulldog, who never leaves her alone and beats her, especially when he gets drunk. Together they decide to do something about their dire circumstances. To live for tomorrow, they fight the world for a day. Bulldog operates a dog fighting ring owned by a ruthless loan shark called KGB. The place is overflowing with money, but no would ever dream of taking the money and running, until Soo-jin and Gyung-sun show up...

(Source: http://www.koreanfilm.or.kr)