One day, a mysterious deal takes place... Ji-yeon was struggling with debt from loan sharks. Sung-yeol gives her a mission...which is to seduce the CEO of a casino group in Macau and inherit his wealth. Ji-yeon is drawn to the attractive Sung-yeol. She begins to approach and seduce the CEO. The CEO is drawn to Ji-yeon and a strange relationship begins. Everything looked like it was going according to the plan... But one day, the CEO is found dead in a mysterious way. She began a game to become a Cinderella. Where is the end to the seduction which the two began? It's the new movie 'Perfect Proposal'