The impressive drama narrates the story of Heidar who loses a bet which means he had to steal some items from a mansion belonging to a princess of the previous Qajar dynasty that has been overthrown by the new ruler, Reza Pahlavi. When Heidar meets the princess, he falls for her and pops the question. To avoid marrying him, the princess sets a condition she is sure he will meet. She tells Heidar that he has to organize and perform in a 10-night passion play banned by the Pahlavi regime. It's called Ta'zieh, and it's the story of the martyrdom of Imam Hussein (AS) and his companions which is played during the month of Muharram. Heidar decides to play Russian roulette by accepting the challenge which landed him in more trouble than he may be able to handle. He launches the passion play and everything goes well until the ninth night, while on the 10th night something unexpected happens.