

In 2018, Seattle FEDRA confronts an unexpected foe. Ten years later, Ellie and Dina find themselves in the middle of a bloody battle between the zealous Seraphites and a ruthless militia.
Five years after the events in Salt Lake City, a now 19-year-old Ellie makes a discovery while on patrol with her best friend Dina. Back in Jackson Hole, Joel seeks help to mend his relationship with Ellie.
As a storm brews in the mountains, the people of Jackson Hole prepare for the worst amid increased sightings of Infected. Meanwhile, Abby weighs her options.