The mother, who was afraid of water, was pushed into the sea by the people on "that boat". The father, uncle, and the man from the Cheng family all shut up on the shore and said the murder was an accident, hiding it for twenty years. Eighteen years later, a glass bottle floated back into the hands of 28-year-old Su Nian. There was only one sentence in the bottle: "Mom is afraid of water, I can't help you." A powerless orphan girl must single out three wealthy families who conspired to hide the case to get back the truth about how her mother died before the old factory is demolished and the certificate is destroyed and her father falls ill and dies with the secret.
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