This drama is adapted from the manga of the same name. It tells the story of Shinohara Reiko (played by Miki Mizuno) who lost her daughter and seriously injured grandson. When she was grief-stricken, she received an anonymous call: "Your daughter was killed by her mother's friend."“ In desperation, she accepted the mysterious doctor's suggestion and underwent plastic surgery to transform into the young and beautiful Reiko Shinohara (played by Kyoko Saito), transforming into a new mother and sneaking into the enemy circle.

She took revenge one by one with ruthless means and wiped out her former ”mother friends% from society.However, at the end of the revenge that is intertwined with blood and tears, the real dark side slowly emerges...