A vengeful darkness... Gathers in the night... One threat has been destroyed - another grows stronger. Even though Jack and the teams have won a major confrontation, their lives still hang by a thread. There are decisions to be made, and ones that have never been more critical. Leonard continues to try to keep his crew together after being hit by another soul-shattering blow. They've only recently become aware of this new world, and it doesn't seem to be letting up anytime soon as they silently plunge through the Pacific, looking for answers Leonard knows they may never find. Michael knows he can no longer stand idle and wait as he feels thousands of his kind disappear from his mind night after night. The weight of the survival of his kind weighs heavily on his shoulders and he pushes forward to end the threats to their existence. The new world must find its balance... And the scales are about to tip...