After it Turns Dark Books in Order

A month after an EMP, the Sheridan family faces new danger despite reaching home. Tommy investigates an old flame’s death, while a supply trip entangles John and Laura in another family’s past and a violent struggle to survive.

Laura's reunion with her brother offers little safety when an enemy targets their family. Elsewhere, John confronts troubling revelations about trusted allies, while Danny's search for his sister's killer threatens to unleash destructive revenge amid the blackout.

With storms and earthquakes compounding an EMP catastrophe, Laura and Charlie try to reach family in Tennessee. In South Dakota, John Sheridan faces escalating tensions among motorcycle clubs, police and hidden enemies threatening the homestead he must protect.

The Sheridan family leaves for a vast survival community, only to discover that promised refuge has a price. Back in Spearfish, Elena seeks help against an approaching threat as an old enemy attacks, undermining every assurance of safety.

A veteran travels to his remote South Dakota cabin while his daughter searches for her surviving son in hurricane-threatened Florida. An EMP destroys the power grid, leaving both facing dangerous strangers and impossible choices about whom to protect.