Marcus Barber, the immortal Roman centurion, must rescue his friend, Eddie, from maniacal mercenaries hired by his former lover, Joelle. In addition to saving Eddie, Marcus must also track down the location of the Egyptian Ancient, Apep, and rescue him from a cult attempting to use his essence to poison the Riverwalk area of San Antonio. All the while, he continues his quest to find his father, and has a side gig of stealing corporate documents for a white-collar espionage job.