Peret em Heru: For the Prisoners is a horror RPG set in the Great Pyramid of Giza in Egypt in the year 1998. Archaeologist Tetsuya Tsuchida and Dr. Koji Kuroe realize a huge set of ruins underneath the Great Pyramid only to discover it is laid with booby traps. Not wanting to let this stop them from uncovering the secrets behind the pyramid, Professor Tsuchida sought out the help of eight tourists and their tour guide for one hell of a sightseeing tour they'll never forget.