Ex Inferis

The promising young planetologist Dr. Naomi Chen is charged with leading a survey expedition for the first time. She finds the ruins of a dead civilization that may be the first definitive proof of extraterrestrial intelligence. However, it turns out that the dead civilization may not be so dead after all as the survey team is caught in the middle of an ancient war. A mysterious guide becomes their only hope of survival, but will it be enough to survive the endless legions of Hell itself?