One of the big ones, which has been a question mark since the start of the second season? The real identity of Solo (Steve Zahn), the somewhat erratic occupant of Silo 17's vault who Juliette (Rebecca Ferguson) meets in the first episode.

Silo Season 2, Episode 9 sees traitors takeover. Here's what you need to know about this week's episode of the hit Apple TV+ drama.

Episode 9 sees Lukas decoding Salvador Quinn's letter, which leads him to the bottom of the silo. There, he discovers a tunnel.

Silo Season 2 Episode 9, titled The Safeguard, is now available for streaming on Apple TV+. Fans of the show have likely come away with more questions than answers. One of these questions involves the eponymous Safeguard placed on the mysterious AI-esque entity Algorithm.

Faiths are shaken as truths are revealed in Silo season 2, episode 9. Take a look at what to expect in the new episode.