Poverty, an unsympathetic society and suspicion of neglect. Caught in a negative spiral, Aoyama Sara (Jiyoung), a single mother, has been forced to live apart from her daughter Moe. She could have made a fresh start in life if only she had obtained a lump sum of money… One day, Sara witnesses someone throw herself in front of a train. The woman (Jiyoung) who committed suicide somehow has the same face as her. A stunned Sara takes away the woman’s bag on impulse and masquerades as her. However, her life starts to turn in an unexpected direction.