'MacGyver' Season 4 Episode 9: Cyber attack and a blast from the past put Riley in the spotlight

'Code + Artemis + Nuclear + N3mesis' puts Riley in the hot seat when a code she wrote is used by hackers to take the Los Angeles power grid hostage
(CBS)
(CBS)

So far this season, Riley Davis (Tristin Mays) has been more or less on the sidelines but now in 'MacGyver' Season 4 Episode 9, she finally gets her time in the spotlight. 'Code + Artemis + Nuclear + N3mesis' puts Riley in the hot seat when a code she wrote is used by hackers to take the Los Angeles power grid hostage.

Considering how devastating the last episode's death of James MacGyver / Oversight (Tate Donovan) was for Angus "Mac" MacGyver (Lucas Till), we are guessing there's going to be a major plotline about how he deals with his grief. But that will likely take the back seat while Mac throws himself into work. 

That's just as well because the title for the episode does hint at something more dangerous than a simple attack on the power grid. The word "nuclear" is a bit ominous in any situation and the promo for the episode reveals that the attack involves setting off a meltdown at a nuclear reactor. Then there's the mention of "Artemis" and "N3mesis".

We're assuming N3mesis is the name of the cyberterrorist (or cyber terror group) that is behind the attack. We don't know who or what Artemis might be but there is a chance it could be an operative working for Codex.



 

Episode 8 did reveal Jeri Ryan's Gwendolyn Hayes / Titan as the head of Codex and the true villain of the season with a delightful performance from the 'Star Trek: Picard' actor. We are holding on to hope that she might make an appearance in this episode because we honestly can't get enough of her. 

The cast of 'MacGyver' Season 4 includes Lucas Till as Angus “Mac” MacGyver, Tristin Mays as Riley Davis, Justin Hires as Wilt Bozer, Meredith Eaton as Matty Weber, Levy Tran as Desi Nguyen and Henry Ian Cusick as Russ Taylor. Guest stars appearing in this episode include Sea Shimooka, Holly Deveaux, Ramon De Ocampo and Delaney Williams.

Tate Donovan will also be returning to the show in Episode 9 after his character's death in the last episode. Here's the official synopsis for 'Code + Artemis + Nuclear + N3mesis': "While Mac’s friends surround him during his time of grief, Los Angeles’ power grid is taken hostage in a ransomware attack resulting in a citywide blackout, and the team discovers the code used was written by Riley years ago."

'MacGyver' Season 4 airs Fridays at 8 pm ET, exclusively on CBS.

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