"I'm getting the money I'm owed, why should I prepare myself?"Su-young (starring Jeon Do-yeon), a police officer waiting to move into her dream apartment, gets entangled in an unexpected corruption case. She accepts an offer to take all the blame in exchange for a large reward.Two years later, on the day of her release from prison, the only person who comes to see her is Yoon-sun(starring Lim Ji-yeon), a woman she has never met before. Su-young senses that something has gone wrong.Determined to regain everything she has lost, Su-young sets out to find Andy(starring Ji Chang-wook), who promised her the reward, but she soon encounters an even bigger and more dangerous force behind him...