Cultural relic appraisal expert Ke Wen received a commission from the mysterious woman Lin You to identify an ancient blood-colored jade engraved with strange symbols. Unexpectedly, he was involved in an unresolved case that had been sealed for thirty years. When Lin You suddenly disappeared, Ke Wen discovered that the jade exactly matched the remains of the deceased in the "Red Maple Lake Corpse Case". As the investigation deepens, a shocking conspiracy involving cultural relic smuggling and power corruption has surfaced, and the real murderer is still peeping in the darkness. When Ke Wen followed the clues and dived into the bottom of the lake to search for evidence, what awaited him was not only the cold lake water, but also a truth more terrifying than death...
Purpose: Through the story of two generations pursuing the truth, it shows the struggle of human nature in power and desire, and explores the eternal value of memory and justice. Even if time passes, those sins that have been deliberately buried will eventually come to light in the hands of the persistent.