The Pretender Emperor Ep. 4

Klem Shaw, an actor from modern times, wakes up as the stand-in of the missing Emperor of Argentea, controlled by the ruthless Empress Dowager. Trapped in a palace of lies, he must outwit the Empress and cunning concubines while playing the deadliest role of his life. Using his modern savvy and acting chops, he turns from a puppet into a player.