The wedding of Alak and Christie is threatened when Rafe realizes what Datak is up to. Meanwhile, a businessman's corpse is discovered in the walls of Need Want and Tommy sets out to find the killer.moreless
A plague strikes down the residents of Defiance. The people blame the Irathients and place them under quarantine, while Nolan and Connor must confront the E-Rep soldiers to get the cure.
Irisa has a vision that a Razor Rain storm is coming toward Defiance. While Nolan warns the townspeople, Sukar is seemingly killed... and then comes back to life and asks Irisa to help him on a holy mission. Meanwhile, Nicky tries to find out what happened to Birch, and Stahma asks Kenya for assistance teaching Alak how to pleasure his bride-to-be.moreless
A former soldier turned bounty hunter pays Nolan a visit while on the trail of a Castithan war criminal, Pol Madis. Amanda wants to use the prisoner as a bargaining chip to get concessions from the Earth Republic, but Madis escapes under mysterious circumstances. Meanwhile, Kenya's feelings toward Nolan cool, and Quentin discovers more about the artifact... and what some people are willing to do to get it.moreless
In a world 30 years after the Votans have invaded and terraformed large portions of Earth, scavengers Joshua Nolan and his adopted alien daughter Irisa make their way through the wastelands. A quirk of fate brings them to the town of Defiance, where St. Louis once stood and where Humans and Votans now live in peace. Father and daughter soon become embroiled in a feud between two families and a murder, all of which is a prelude to an invasion.moreless
The battle lines are drawn as Locke puts his plan into action, which could finally liberate him from the island.
The Man in Black's final fate is determined, and one survivor must make the ultimate sacrifice to save the island, Meanwhile, in another life, the ones who might have been the survivors gather for a final time.moreless