After Reeva Payge seizes control of the Hellfire Club's "Inner Circle," Polaris prepares for the birth of her child. The Mutant Underground rescues a group from a Sentinel raid on an apartment complex, and the Struckers disagree over how to look for Andy.
While Thunderbird searches for a mutant lawyer from his past, Andy finds himself distracted from his training. Reeva tasks Esme and her sisters with cleaning up some loose ends, and Jace Turner struggles to leave his pursuit of the Mutant Underground behind him.
When Lorna's baby falls gravely ill the Inner Circle abducts Marcos in the hopes that he can help. Meanwhile Thunderbird and Blink go in search of a mutant leader living beneath the streets of Washington, D.C., and Reed and Lauren's run is complicated when his powers manifest.
After kidnapping Wire's computer hacker brother for help, Caitlin goes to great lengths to force his cooperation on an operation that could find Andy. Meanwhile the mutants try to intervene in an enemy attack on a hospital, and Jace is contacted by a potential ally.
Andy helps the Inner Circle's new recruit come out of her shell, while Jace decides to attend a meeting of the Purifiers. While Caitlin and John try to save the life of a mutant who bleeds acid, Marcos and Clarice bring the hospital survivors to the Morlocks in the hope of finding a them new home.
After Lorna demands answers about their next secret mission, Esme takes her to case their target -- and confides in her about the Frost sisters' secret past. Reed is reluctant to take lessons from John, but must use his powers to help Mutant refugees escape when Jace leads the Purifiers to their doorstep.
As the Inner Circle assaults a fortified bank, Reeva works to remain in control. Caitlin and Lauren search for a way to help Reed as his powers spiral out of control, and Jace meets the Purifiers' influential leader.
The Inner Circle's actions precipitate a backlash of public outrage against the Mutant community, and Thunderbird and Blink hunt for answers. Reed, Caitlin, and Lauren find a doctor who may be able to stabilize Reed's powers, and Lorna reflects on her troubled history with her father.
Lauren tries to convince her parents that Dr. Risman is not on their side, as Andy and Lorna consider the sacrifices they have made for the Inner Circle. Meanwhile Jace steps up to rally the Purifiers against Mutants, and John, Clarice, and Marco try their hands at a little kidnapping.
The Mutant Underground wrestles with the idea of recruiting the Inner Circle to assist them. Andy considers reconnecting with his family when he learns about his father's powers, but Lauren may not be as willing to have him back as their parents. (FOX)
In attempts to revive the Mutant Underground, Evangeline proposes a country-wide meeting. Meanwhile, Lauren and Andy continue to disagree in their dreams and the Frost Sisters attempt to intervene. Caitlin makes the risky suggestion of connecting with a family member for vital intel, and Lorna tries to secretly investigate Reeva's plans for the Inner Circle. (FOX)
Lauren stops sleeping so she can avoid the forces in her dreams pushing her towards joining Andy and giving in to her dark side. Glow is in trouble after being shot by the Purifiers, and Blink convinces the Morlocks to let Caitlin save Glow. Meanwhile, Polaris learns the details of what Reeva is planning. (FOX)
When one of the Inner Circle goes missing, Reeva intensifies security in their compound, but realizes that her plans may have already been exposed. Caitlin and Reed consider using the serum to restrict Lauren's use of her powers, and the Morlocks and the Purifiers come face-to-face in battle. (FOX)
Lauren can't access her powers when it matters most, leaving Caitlin to take matters into her own hands when they are being pursued. Reeva finally reveals her plan for the Inner Circle. Meanwhile, Jace confronts some regrets about his actions and is torn between pressures from the Purifiers and his own beliefs. (FOX)
Reeva prepares to carry out her plan for the Inner Circle, but not everyone is on the same page. Reed struggles to manage his powers and the family realizes that without enough of the serum, it's only a matter of time before he completely loses control. Frustrated and egged on by Benedict Ryan, Jace and the Purifiers are on the attack, but for Jace, things aren't as black and white as they once were. (FOX)
