Mrs. Chen has a difficult labour while delivering her twin babies, who have been diagnosed as stillborn prior to her labour. However, the twins survive. This makes her grow suspicious that Mr. Chen might have done something to bring the dead twins back to life. One of the twins, Chen Mo, grows up normally in the family but she keeps seeing her twin sister in her mind. When her boyfriend proposes to her, he realises that she is unhappy because she is hiding many untold secrets and she also has no memories of her childhood.