Murmillo (2015)

When the son of a wealthy patrician defies his father to follow his dream of becoming a gladiator, the investigators are hired to bring him home. His actions, if made public, would bring much shame to his family. Finding young Surus won’t be easy, for his trail leads to Ludus Murmius, a mysterious gladiator training school known for producing the finest Murmillo (or “Fish Men”) gladiators in the Empire. Ludus Murmius values its privacy, as they have many secrets to protect.