The Secret King of the Iron City

When former soldier Jomthap Haripunyo inherits a corrupt private prison, he decides to go undercover as an inmate to expose those responsible. But when the warden he trusts turns out to be the leader of a criminal organization, Jomthap must convince the authorities that he's not a prisoner but the prison's true owner... or find a way to break out. Meanwhile, he must protect innocent people in danger, including an elderly inmate whose sentence was unjustly extended and a beautiful female doctor caught in the web. Can Jomthap escape, or will he become one of the victims of the prison he owns?