The arrival of NSA agent Rebecca Stroud throws Araknet into a paranoid tailspin, forcing Wes to reconsider his financing of the company and scaring Ronald into re-evaluating his ties to LH7; Nick is inspired to take the company to the next level.
Agent Stroud flexes the far-reaching power of the NSA, threatening to derail the lives of Araknet's founders; Ronald struggles with the decision to undermine LH7 in order to keep Araknet safe; a chance encounter threatens to dredge up Izzy's past.
As Wes scrambles to hide the rest of his cash from Stroud, Ronald and Nick begin to butt heads over how to carry on as co-CEOs; Izzy finds herself drawn back into the world of subversive tech.
Agent Stroud makes a bid for Izzy's loyalty, extraditing her to the States and coercing her into infiltrating Araknet; Wes must travel to Barcelona to confront someone from his past in order to recover what's left of his liquidity.
Wes throws a big party in the hopes of wooing new investors; LH7's tactics blow back on Ronald's family; Nick embarks on a secretive mission to save the company; an encounter with someone from Mara's past sends her into an emotional tailspin.
As Araknet enjoys an uptick, Nick grows paranoid that his covert plot will be discovered; when Wes decides to bring in an old friend for financing, Mara rebels and reveals a damning secret; Izzy rejoins Araknet, but old wounds resurface.
Araknet receives horrific news, spurring a moral debate within the company and forcing Ronald to undermine Nick; Izzy tries to uncover Stroud's true motivations while wrestling with her own duplicity; Wes hopes to repair his relationship with Mara.
Ronald's entanglement with LH7 comes home to roost, aggravating his relationship with Nick; with the 100-million user mark approaching, Nick makes a disturbing choice to protect his own interests; Izzy agonizes over Stroud's final orders.
Ronald wrestles with the most difficult decision of his life; to Izzy's horror, the virus she built blows back on Araknet; when Mara finds out what Nick did to Ronald, their relationship teeters on the edge; Nick enters into a downward spiral.
Ronald fears the impending blowback from a vindictive LH7; Mara's ultimate plan comes to fruition, blindsiding Wes and Nick; Stroud re-emerges to tie up loose ends, leading to an explosive and deadly battle.