Mountain River Needle

Twenty-seven people died in one night in Heishui Gorge twenty years ago, and the old case tied three young men of unknown origins - Shen Yan, a young doctor who wanted to be a widower, He Jinglan, the senior brother of Kunwu who was responsible for the mystery of the murder, and Shi Xiaoman, the most inconspicuous handyman in Gufeng Temple - into the same net.