When she woke up, Su Wan became a rural teacher in the 1980s, with a gloomy six-year-old stepson. Her husband, Chen Jianguo, was gentle and elegant, but the villagers looked at him with pity. In the middle of the night, her stepson clutched his wet hair and whispered, "Mom is waiting for you to play in the water." Suppressing her fear, Su Wan dug deep into her husband's locked drawer and dug out the blood-stained diary of his ex-wife's severed head: "He said it was dangerous near the water... But it was clearly him who pushed——". The gentle husband is actually his wife's murderer! Trapped in a prison, she must uncover the truth and escape in a secluded mountain village.
