Decades ago, a global pandemic forced nations to quarantine infected populations belowground. Now, a social worker and her colleagues work to study the impacts of a life spent without fresh air, sunlight, and freedom. What they find will upend everything they've ever been taught…

Drawn by local legend, four friends venture deep into the Adirondacks in search of the Hollow Men. When the forest begins to whisper back, what they find is a hunger older than flesh.

A marine scientist encounters something strange and terrifying on a deep-sea dive in the depths of the Mariana Trench. When she makes it back to the research ship alive, she believes she's narrowly avoided death. But then her body starts to change, and she realizes there may be fates even worse than that.