Su Mu Mu was once a pampered girl but because of family misfortune she becomes silent (psychological problem). In order to rescue her beloved mother, her only relative left from jail, she sold herself for fifty thousand dollars. She quietly left the sleeping kind man with a heart filled with longing, affection and sadness. Su Mu Mu looked forward to a brighter future when they will reunite.
Five years later, Su Mu Mu encountered him again at a charity party. However, he has changed. This man has completely forgotten about her. Su Mu Mu tried very hard to get close to him and finally managed to get him to fall in love with her. Unfortunately, she discovered the man who embraced her five years ago is actually his twin brother. So, which brother will she choose?