Plot

Single mom Sara leads a troubled life until she witnesses her doppelganger's suicide by train, takes her bag, and her life takes an unpredictable turn.

Sara Aoyama (Kang Ji-Young) was an orphan and is now a single mother. She has suffered through poverty, lack of understanding from society and other problems that led to her being separated from her daughter. She believes that if she has money, her life will change. One day, Sara Aoyama sees a woman killing herself by jumping in front of a train. The woman who jumped looks just like her doppelganger. Sara Aoyama is stunned, but takes the woman's bag. Since then, her life takes an unpredictable turn.—AsianWiki

Sara Aoyama (Kang Ji-young), a poor single mother and an orphan one day witnesses Shiina Maoko killing herself by jumping in front of train, that woman happens to be her doppelganger. She takes on her doppelganger's persona but later she find out that there are more doppelgangers of her trying to track her down.—Gohan MJ