While on a long journey north, a post-apocalyptic survivor is awakened to the sound of an explosion, and upon investigation, finds the hope that she might not be alone in this deadened world.
Katelyn and Kelsey Winters, two sisters distracted by an argument, unknowingly travel through a stretch of isolated wilderness plagued by mysterious disappearances.
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.
