Defiance is under siege. Nolan, Amanda, Irisa, and the militia defend the town against a Votanis Collective incursion. Datak, recalling his father's chilling lessons, makes a pivotal decision. Stahma takes an unexpected trip.

Nolan and Berlin pursue the Tarrs, their connection to the Votanis Collective exposed; Alak faces his future as a father.

While Nolan & Irisa fall into an unexpected and potentially fatal tour of their own past, Amanda & Doc Yewll enlist T'evgin to help rescue them. Datak & Stahma prepare a decisive move against Votanis Collective general Rahm Tak.

Nolan and Irisa are rescued from their underground confinement by a mysterious force, just in time to discover that enemy forces are marching on the town.

You are introduced to another Race. Defiances supplies are running low. The search continues for the two children and their kidnappers. We discover more about the Votanis Collective. Irisa and Nolan escape and try to return to Defiance.

Pottinger captures Datak and Stahma. Nolan tries to save a wounded Tommy. Irisa puts Irzu's plan in motion.

With Nolan searching for Irisa, Amanda is forced to take on the badge as Deputy when the shocking murder of one of their own rocks Defiance.

Nolan and Rafe race against the clock to rescue Amanda and Pottinger trapped in a deadly mine collapse.

Kenya has returned but not as she was before, Stahma has problems to deal with and Irias still isn't back in defiance.

Nolan interrogates a suspected Votanis Collective spy in order to prevent a catastrophic terrorist attack on New York.

Datak is framed for a bizarre murder and turns to an unlikely ally for help, while Irisa discovers more about her destiny after encountering a mysterious stranger.

After an Arkfall crash, Pottinger recruits Nolan to lead their salvage mission but his secret agenda puts them in grave danger against an alien race they've never encountered before. ...

Amanda is being stalked by a man who managed to get into her room. She manages to defend herself but tells Nolan that she was attacked in New York 5 years ago. When Nolan apparently accosts...

After his caravan is viciously attacked in the badlands, a badly shaken Pottinger orders Nolan to hunt down and destroy those responsible. Nolan's manhunt implicates one of Rafe's miners ...

Irisa's terrifying black-outs escalate, driving a wedge of secrecy between her and a worried Nolan. Meanwhile, the Tarr family business thrives under Stahma's self-appointed direction while an increasingly suspicious Datak remains in jail.

Joshua and Irisa travel back in time to observe parts of Irisa's life that have been erased from her memory.

Joshua's search for Irisa takes him across the country. Irisa keeps a deadly secret. In no uncertain terms, Stahma Tarr lets her son, Alak, know who is really running the family business. ...

Earth Alliance Colonel Galen Marsh reveals that he is after the Voltan weapons system hidden at the bottom of the mines and Yewll is prepared to deal with them. There are two artifacts ...

The residents of Defiance hold a wake for Nicky at Kenya's bar. Datak takes the opportunity to make political hay. Stahma confides in Kenya that losing the election would be a great shame ...

The time for Christie McCawley and Alak Tarr's wedding has arrived but Datak wants to call it off when Rafe tells him Christie has been cut out his will. Alak doesn't take the news very ...

Plague come to Defiance in the form of an Irathic virus, a flu-like disease that is deadly to humans. The disease is spread through physical contact and Dov Yewll hopes that a vaccine ...

Nolan and Jefferson decide to check out the Voltan ship that crashed just outside of town. They are more than just a bit shocked when they find American astronaut Gordon McClintock in ...

Defiance is bombarded with razor rain, metal object falling from the sky as their orbit around the Earth deteriorates. Irisa has a vision and heads off to the badlands when she sees that ...

Nolan welcomes an old army buddy, Eddie Braddock, who is now working as a bounty hunter. He's tracked Pol Madis, a Castithan weapons developer, to Defiance and now wants to take him to the ...

Nolan and Amanda head out on the overland express, a form of bus service that runs through Defiance every few weeks. Nolan is there to deliver Rynn to jail so she can serve her two year ...

After the body of Elah Bandik is left on his doorstep, Nolan goes after Datak Tarr with a vengeance. He starts by arresting two of Tarr's drug and gun dealers and seizing their goods. It ...

Having helped fend off the attack the spirit riders now have access to the city. They do set people's nerves on edge however. Nolan meanwhile has a murder to solve after they find the ...

After the battle, the residents of Defiance count their dead. A Castithan, Elah Bandik, is to be cleansed - tortured to death - after running away from the fight. Nolan steps in to stop ...

In a future Earth largely devastated after lengthy war with alien invaders, Jeb Nolan and his adopted daughter Irisa live in the badlands, open areas that have no government. After an ...