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
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.
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.
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.
Whilst struggling to come to terms with the end of her relationship with Dyson, Bo tackles a new case involving a building whose residents seem to have been driven insane. Blissfully unaware of the consequences, Kenzi employs a brownie house elf to help her tackle the housework.moreless
Gail's stolen uniform has the rookies looking for a cop impersonator, but it's Chris and Dov who find clues that may offer up the motive. While undercover, Swarek finds himself in a life threatening situation when he and Andy can't stay apart.moreless
Deciding that Erica might need a rest, Dr. Tom sends her back to relive a perfect day.
Alex and Paige get back together, and Alex tries to hide her job from Paige, but the secret doesn't last long. Paige cannot deal with the situation, and it leads Alex to make an important decision. Emma is worried about what might happen when she thinks she might be pregnant, especially when Sean says he still plans on leaving.moreless
After finding out that Chad, Alex's mom's boyfriend, ran up a credit card bill, Alex takes a job where the tips are great. After finding out that she and her mom are going to be evicted, she considers stripping. Emma is upset when Sean announces his plans for the future, which do not include Emma.moreless