Kellog uses Alec’s weakness against him; Kiera tries to negotiate; Alec sets out on his own to try to save Emily.

Kiera, injured during her and Brad’s escape from the future soldiers, has a renewed desire to return to her son in the future. Brad reunites with the future soldiers in a bid to gain their trust and work from the inside. Alec gets revenge on Kellog by hacking into Piron which causes unexpected consequences and revelations.

The final standoff brings the Masons, the 2nd Mass and their new allies into the bowels of an iconic American location, wrought with new and unpredictable obstacles. Despite great loss along the way, they must persevere with hopes of once and for all reclaiming Earth and humanity.

With their backs against the wall, Jessica and Louis make a last-ditch effort to rally the support of the partners, as Daniel Hardman and Jack Soloff attempt a takeover of the firm. Meanwhile, Mike and Harvey must each face down the demons of their past in order to make potentially life-altering decisions

Tom gains a powerful new weapon against the Espheni; Ben attempts to extract enemy plans.

Rachel and her mom plan for Rachel’s dream wedding, but Rachel worries that the event could reveal Mike’s secret. Meanwhile, Daniel Hardman and Jack Soloff make their move against Jessica and the partners, Harvey and Mike tangle with Hardman’s mysterious backer and Louis tries to find Jack’s weakness.

Weaver discovers a shocking truth about an old friend and must decide how to best protect the 2nd Mass. Maggie and Isabella are forced to work together, while the remainder of the 2nd Mass attempts an escape led by Tom.

Jessica does damage control in the wake of Harvey punching Louis, just as Jack Soloff and Daniel Hardman are looking for weaknesses to exploit. Meanwhile, Donna counsels both men on how to rectify their issues. And Mike must find a way to turn down his recently announced promotion without raising suspicion – while he and Rachel combat an opposing attorney who holds the key to uncovering his secret.

The 2nd Mass arrives at a safe haven. As the two groups make plans for the final assault on the Espheni, the 2nd Mass begins to realize that things aren’t exactly as they seem.

Mike teams with Jack Soloff on a case. Esther Litt returns to P.S.L. in hopes of discreetly solving a problem, and Donna and Harvey try to return their friendship to normal.