American Public Radio journalist Lia Haddock reckons with the 15 year old mystery: What happened to the people of Limetown?.

Lia embarks on the first interview in recorded history with a survivor from Limetown.

Lia and Mark visit Rake, Wyoming in search of the next Limetown survivor, but they're not prepared for the horrors they find.

The second known survivor from Limetown reveals the saga of animal testing in the community.

Lia finds herself in a secret bunker in order to interview the mysterious financier behind Limetown.

Famed neuroscientist Max Finlayson divulges the purpose of the doomed research facility.

After an unexpected visit, Lia questions whether or not to continue the investigation.

Limetown survivor Deirdre Wells reveals what incited The Panic.

An unknown survivor sends Lia a disturbing video file with a promise that she has all the answers.

Lia receives all the answers she's been seeking.