On the train to Seoul, Jae-Young meets a young mother with a baby. She was abandoned by her husband and is now on her way to her unknown parents-in-law. But at the next stop of the train, the other woman disappears. She leaves behind a letter asking Jae-Young to take the child to his grandparents. Reluctantly, she fulfills the young woman's wish. When the rich family thinks Jae-Young is the child's mother, it seems like the perfect way out into a new life. But nothing is as it seems, and Jae-Young isn't the only one with a dark secret...

The bestseller from South Korea: dark, captivating, twisty

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