During the Guangxu period, the largest theatrical troupe in the capital, the "Yulan Troupe", was unparalleled in the limelight, but within six months a series of bizarre murders occurred. The stage pillar suddenly died in front of the makeup mirror backstage, with the oil paint still on his face; the martial artist fell to the stage beam and died, with strange opera lyrics under his feet; the musician was buried in the prop box, holding half of the costume fragments in his hand. The newly promoted Daomadan rose to fame with the performance of "Muke Village", but she repeatedly encountered strange things after taking the stage - bloody beads appeared in the makeup box, no one was singing from the backstage, and she always felt like someone was peeping secretly during late night rehearsals. On the surface, she is a rising star in the theater, but in fact she is secretly investigating the cause of death of her senior brother, who was the victim of the first murder in half a year. As the investigation deepens, she discovers that each murder case is related to an old play that is banned. Everyone in the troupe is in danger, the manager is keeping secrets, the class leader is trying to cover up, and even the seemingly close senior sisters are hiding secrets. The gongs and drums on the red robes are noisy, and the hearts of people under the red makeup are unpredictable. Behind those glamorous appearances are hidden conspiracies and bloody feuds. She must uncover the truth behind the stage before she is swallowed by darkness. But the closer she gets to the truth, the more she realizes that she has been trapped in a mystery, and the real murderer may be beside her.
