Nolan fights to save the planet from the arkbrain's terraspheres under Irisa's control. However, E-Rep--and Amanda--are willing to kill Irisa to stop her rather than risk all on Nolan's plan. Meanwhile, Pilar abducts Christie and Alak, forcing Datak and Stahma to rescue Rafe and go after them.moreless
A deadly mine collapse leaves Amanda and Niles trapped, and it's a race against the clock for Nolan and Rafe to save them. Meanwhile, Irisa convinces Tommy to help her steal a terrasphere, while Rafe learns that Quentin has made a deal to free Pilar.moreless
While Nolan sets out to find his missing daughter, Amanda becomes a volunteer deputy to find the murderer of one of her prostitutes.
Kenya returns, much to Stahma's dismay, but she holds a secret locked in her memories. Meanwhile, Dr. Yewll attempts to hide some dark secrets of her own.
When Nolan and E-Rep arrest a VC terrorist in Defiance and try to determine the location of a bomb, the terrorist's compatriot calls Amanda and tells her to free the man... and claims to have her missing sister Kenya.moreless
While Irzu's influence on Irisa grows, Niles makes an arrangement with Yewll and Datak realizes that Stahma doesn't want him to come home.
Cat and Vincent work together to find Gabe's missing acquaintances. Vincent sees what his life might have been when he returns to the hospital where he interned.
While Defiance citizens cast their votes for mayor, Irisa must decide whether to accept her destiny and Nolan faces his past.
February 5, 1865. A career criminal has the Sixth Ward on edge as young men keep dying and disappearing. Tammany Hall exerts its political pressure on the police force as General Brendan Donovan returns as ward leader. Matthew's mentor makes him a very attractive offer but it's not something that will set well with Sarah. Elizabeth and Robert make wedding plans and await the execution of Confederate spy Kennedy. Maguire waits his fate in the tombs.moreless
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
While Irisa meets a face out of her past, Nolan and Amanda take a trip to deliver scrip for the new maglev branch, only to have their land coach stopped by jackers.
Two Defiance residents are killed under mysterious circumstances, and Nolan soon confirms that that they were torn apart by mutant Hellbugs. Meanwhile, Irisa is plagued by visions from the past, and Datak and Stahma try to reconcile the situation between Christina and Rafe so that her marriage to their son can proceed as planned.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
While Jake and Mal try to find the driver in a hit-and-run accident, Rose's past comes back to haunt her.
Bo joins the brutal world of underground fighting to help a human competitor juiced up on Fae "steroids" that are sending him on blackout rages – and putting his son in harm's way. Meanwhile, the sister of the first boy she ever killed shows up and confronts Bo over her deadly past.moreless
A mystery organization launches an attack on the Warehouse Regents, trapping them in a skyscraper. While Myka and Artie try to get them to safety, Pete and Claudia try to find the artifact responsible.moreless