After escaping from the Desolate Beach back to reality, Yvonne Lynn discovers that parallel worlds have long been infiltrated by Doppelgängers. To save her companions, she returns to the Instance Dungeon and falls into a biochemical city overrun by zombies. Antiserum, Zombie Hordes, Doppelgängers, and betrayal from those around her — every step is a dead end, and every teammate could be an enemy. How many lies can the Seer's eyes see through this time?