Nolan races to save Tommy's life and stop Irisa; tensions between Amanda and Stahma lead to a showdown.
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
A dead Castithan hand maiden shows up on Datak's doorstep, her eyes removed, and he turns to Rafe for help. Meanwhile, Irisa meets the man from her visions, and Alak discovers that Christie is going to the Janus club behind his back.moreless
An Arkfall crash salvage mission led by Nolan leads to danger in the form of an alien race he has never encountered before; at the same time, Stahma makes a shocking power play after she's admonished by church elders for her growing sense of female empowerment; and Irisa begins confessing her deep, dark secrets to Tommy.moreless
A stalker comes after Amanda, raising concerns for both Nolan and Niles.
Raiders steal E-Rep mining equipment and humiliate Niles, and the mayor orders Nolan to find them. The Lawkeeper soon determines that Rafe is involved, forcing the miner to make an impossible decision. Meanwhile, Datak returns to restore balance to his family.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.
Irisa is arrested upon her return to Defiance, but Nolan can arrange her release by capturing those responsible for an explosion that nearly killed Mayor Pottinger. Meanwhile, Stahma decides the only way to stay in control of her family's criminal enterprises is by ensuring that Datak stays behind bars.moreless
Nolan's search for Irisa leads him to New Chicago and AngelArc. Meanwhile, back in Defiance, the Earth Republic appoints a charming, calculating, and ambitious man named Niles Pottinger as mayor.
Corcoran, Morehouse and Doctor Freeman join the national effort and set out to track down Lincoln's killer, John Wilkes Booth. With Donovan dead and the ensuing chaos in New York, Tammany Hall finds an unlikely successor.moreless
Corcoran must stay on the move to avoid retaliation, but he continues to pursue what he set in motion. As the people of Five Points and uptown struggle in a town obsessed with vengeance, old loyalties will be tested. The assassination of President Lincoln shatters post-war recovery hopes for both New York City and the United States.moreless
Detective Corcoran must take drastic action when destruction threatens Five Points. Matthew is pushed to the breaking point. Eva goes to trial. Elizabeth sinks deeper into addiction but an unlikely source intervenes.
Detective Corcoran asks the Sixth Precinct coppers to help him figure out the truth behind Donovan's strongholds in Five Points. Morehouse's marriage is threatening his business ventures. The Freemans tackle community bigots while striving to maintain their freedom.moreless
Detective Corcoran is stunned when Eva is sent to the tombs for attempted murder. Doing his best to get help from those in power he finds that Donovan is of no help, as he's involved in an upcoming political and business deal. Doctor Freeman seeks out Morehouse with an idea to aid the city.moreless
Both Five Points and Uptown try to console Detective Corcoran who is in shock after finding Ellen dead. Doctor Freeman is determined to find a cure for the illness that is spreading through Five Points. Morehouse fights to protect his family and ensure that part of his past is kept hidden.moreless
Detective Corcoran's investigation hits a dead end. Doctor Freeman must deal with a cholera outbreak as it spreads through Five Points. Elizabeth attempts to assist with Morehouse business. Donovan recruits Eva to expand influence within his own affairs. Corcoran leans Ellen is pregnant and is once again at odds with Maguire.moreless
Detectives Corcoran and Maguire are forced to work together on a murder case. Morehouse makes a tough choice about Kennedy's trial. Elizabeth returns from Virginia with Sara's mother. Eva and Ellen find out they have some common secrets.moreless
Coppers and civilians are at the mercy of the brilliant criminal mastermind Philomen Keating after he storms the Five Points police station. Corcoran, O'Brien and Dr. Freeman race to restore the peace but Maguire sees a chance to get back at Corcoran.moreless
Annie causes a division in the Corcoran household which disrupts the search for the dead officer's killer. Madame Eva finds support from Donovan. Elizabeth helps with the Freeman's search for Sara's mother. Maguire runs into some old friends.moreless
While Defiance citizens cast their votes for mayor, Irisa must decide whether to accept her destiny and Nolan faces his past.
Corcoran is close to nabbing those guilty for kidnapping and murder of the young men in Five Points but he must choose his allegiances. Maguire quickly rises within the ranks of New York City’s criminal elite. Robert and Elizabeth are wed.moreless
On the eve of the mayoral election, Nolan and Amanda both come under fire when the Lawkeeper is involved in an accident.
As Corcoran searches for answers when more boys disappear, Donovan is more interested in keeping the murders out of the press. Sara prepares to dine with Frederick Douglass at the Morehouse mansion. Matthew makes a drastic decision that will affect Sara. Maguire must realign his allegiances and fend for himself.moreless
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
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
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.