Special Agent Will Trent was abandoned at birth and endured a harsh coming-of-age in Atlanta's overwhelmed foster care system. Determined to make sure no one feels as he did, he now has the highest clearance rate.

A secret military experiment goes awry, leaking a devastating contaminant in to the air and water. 72 years later: "The Sickness" has forced the unaffected to take shelter in secure compounds.

Katelyn and Kelsey Winters, two sisters distracted by an argument, unknowingly travel through a stretch of isolated wilderness plagued by mysterious disappearances.