CENA-BULA, THE CRADLE OF THE FUTURE, IS NOW A TOMB TO 5 MILLION HUMANS WHO BELIEVED THEY WERE IMMORTAL. THE TRAVELER, A MYSTERIOUS INVESIGATOR, HAS ARRIVED TO SEARCH FOR CLUES TO WHAT HAS HAPPENED, ONLY TO FIND THAT NOT EVERYONE IS DEAD
THE TRAVELER HAS LEARNED THAT TU, THE CENTRAL COMPUTER AND SELF-PROCLAIMED LEADER OF CENA-BULA, IS KEEPING THE ANSWER A SECRET AND WILL DO ANYTHING IN ITS POWER TO PROTECT IT. WITH FOURDEE, THE LAST SURVIVING EYE-WITNESS, IMPRISONED BENEATH THE CITY, THE TRAVELER HAS NO CHOICE BUT TO FIGHT BACK AGAINST TU'S ROBOTIC MINIONS TO LEARN THE TRUTH
AS THE TRAVELER NEARS CLOSER TO FOURDEE, TU NEARS COMPLETION OF ITS OWN DARK PROMISE. ONLY FOURDEE CAN DECIDE THE FATE OF THE TRAVELER, TU, AND THE MYSTERY SURROUNDING THE IMMORTAL CITY