Netherworld 619

Late one night in the boys' dormitory at Chunling Middle School, two students break into the forbidden, haunted Room 619, leaving one dead and the other insane. Lin Feng, the new star of criminal investigation, and his new partner Zhao Xin are ordered to investigate. But by chance, they uncover a decade-old murder case that has long been buried and remains unsolved to this day... A female ghost? Suicide? Murder? What awaits the two of them ahead: something from another world, or a long-planned conspiracy...