In one of south regions in old Tehran, Heidar, a bully, falls in love with a Qajar princess and proposes to her. She accepts his proposal providing that he executes the passion-play for Imam Hossein for ten nights in Ashoura. This is when the king of Iran, Reza-Khan, has forbidden any religious and traditional plays, but Heidar and his friends have decided to make it despite all dangers and problems