Liu Ting is an orphan girl who grew up in a slum and barely makes a living by working.
Seventeen years ago, her father disappeared mysteriously in a textile factory, and she never gave up searching for the truth.
Now she returns to the abandoned factory area and finally sees her old and huddled father.
He refused to go down the mountain and just said "I can't walk". Dark red liquid oozed from the snakeskin bag at his feet.
There was a crawling sound in the wind, and in a blink of an eye, my father disappeared without a trace, leaving only the empty chair shaking.
She vows to uncover the secrets of the factory, even if it means facing the abyss.
The reunion of father and daughter becomes the beginning of a mystery, and the blood trail leads to the unknown dark truth.
A poor girl goes against her fate to chase the murderer, and a battle with time, memory and fear begins.
