After high school science lab explosion 16 years ago, Ah Mi wake up in the hospital room. Her remains are the memories of 16 years ago, the world is already 2013.

A daughter and her mom encountering after 10 years of separation. The daughter is pestered by the group of other students in the class whereas her mother has been the leader of the school bully during her school days. Through their encounter, the drama tries to tell what is the most precious value of life : confidence in oneself.