Chinese drama Luoyang is adapted from Ma Boyong's novel with the same name, which tells a series of stories that happened during the Wu Zhou period where a group of people from different classes investigated the unsettled case in Luoyang. Gao Bingzhu, a vice Sleuth-hound captain bottom of Luoyang, was involved in a case by mistake and became a suspect. When he tried to prove his innocence, he met Baili Hongyi who found out the truth about his father being poisoned. The two cooperate and investigate. Si Yue, who is from a prestigious family, investigates and approaches Gao Bingzhu, who is excellent in martial arts and has wisdom to find information related to the case. These two people of completely different classes are not pleasing to each other's eyes. But they had to be tied together. As they continued to dig into the case and search for the truth, they discovered a shocking conspiracy capable of destroying the God city and staining Luoshui with blood.