Shortly after the survey ship Deucalion lands on the icy planet Eos, the crew descends into paranoia and psychologist Dr. Grace Park must confront the fact that neither their mission, nor Eos itself, is as it seems.

The behavioral psychologist onboard a survey ship headed to a planet ripe for colonization, Dr. Grace Park must determine the origin of a strange phenomenon that is causing the crew to suffer mental breaks without losing her own mind in the process.