Jung-Yeon(Jeon Do-Yeon) is married to Jong-Bae (Ko Soo) and they have one daughter named Hye-Rin (Kang Ji-Woo). Jung-Yeon and Jong-Bae run a small car repair shop together. Although they don't have a lot of money, they work hard and feel content with their lives. Everything changes for them, after a friend of Jong-Bae commits suicide. Jong-Bae signed a loan for his friend as a guarantor prior to his friend's suicide. Jong-Bae learns that he is now on the hook for the loan and sky high interest charged by the loan sharks. Soon, Jung-Yeon and Jong-Bae must sell their auto repair shop and apartment just to pay off the loan.
They now live in a small one room apartment in a shady neighborhood. Their financial situation is even more perilous as they are months behind on their rent. Around this time, another one of Jong-Bae's friends mentions that he wants to hire someone to smuggle gemstones into Paris, France. His friend is offering several thousand dollars and mentions that even if they get caught, they will just have to pay a fine. Later, Jong-Bae calls his friend to take up hid offer, but he learns that the job is for only a woman. As their financial situation worsens, Jung-Yeon makes a phone call without her husband knowing and offers to smuggle the gemstones into Paris. She leaves a note for husband and gets on an airplane to Paris.
At the Paris airport, Jung-Yeon is arrested and she learns that is arrested for transporting large amounts of cocaine into the country. Her harrowing struggle to find her way back home begins..