yung-sun is a washed-up cab driver who has been trying to go straight after years in trouble with the law after being a big-time safecracker. Soo-jin wants to be a famous singer, but lives the life of a trophy girlfriend to her vicious gangster boyfriend. An unlikely situation cause these two different women to meet where they plan a daring solution to both their problems that will escalate and threaten the wrath of many powerful and corrupt people around them.

Overview from themoviedb.org