A straight-up monster attacks Defiance, and Doc Yewll may be the only one who can stop it.
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As Defiance goes to war, the final fate of Datak Tarr is revealed.
The fate of Defiance lies with a resistant Irisa and a dangerous arms dealer (Ian Ziering) who shares a past with one familiar face.
Alak's return backs Stahma and Datak into a corner while Rahm's siege against Defiance takes a disturbing turn.
Nolan and Irisa reveal truths to each other that could destroy their bond while Datak's jealousy could cost Defiance everything.
The return of a familiar face turns Amanda's world upside down while Stahma forms a dangerous new alliance.
Nolan and Irisa attempt to stop the evil Rahm Tak while Defiance cradles two traitors in its midst: Datak and Stahma.
In a special two-hour episode, it's seven months later and Defiance is a very different place: new villains, new aliens and at least one game-changing, jaw-dropping moment.
Irisa is enemy number one with the fate of Defiance and the entire world hanging in the balance.