The story of Endless Nightmare 3 takes place before Jack investigates the weird hospital. The protagonist is Jack's best friend - Carlos Gonzales. Carlos is a member of the International Criminal Police Organization (ICPO), specializing in investigation of transnational crimes such as terrorist activities and organized crimes. His opponent is a notorious large-scale international criminal organization - Black Python. This time, their target is getting the Heart of Pharaoh. Carlos must get Heart of Pharaoh first, so he embarks on a dangerous adventure.

The story of Endless Nightmare 3 takes place before Jack investigates the weird hospital. The protagonist is Jack's best friend - Carlos Gonzales. Carlos is a member of the International Criminal Police Organization (ICPO), specializing in investigation of transnational crimes such as terrorist activities and organized crimes. His opponent is a notorious large-scale international criminal organization - Black Python. This time, their target is getting the Heart of Pharaoh. Carlos must get Heart of Pharaoh first, so he embarks on a dangerous adventure.