Paradise episode 4 ending explained: Who betrayed Billy Pace?

Paradise episode 4, titled Agent Billy Pace, premiered on February 4, 2025. Directed by Gandja Monteiro and produced by Dan Fogelman, the episode delves into the complex past of Agent Billy Pace, portrayed by Jon Beavers.

Disclaimer: This article contains major spoilers from Paradise episode 4. Reader's discretion is advised.

In Paradise episode 4, viewers are confronted with a startling revelation: Billy Pace, a character previously seen as loyal and steadfast, meets a tragic end through a betrayal by someone he deeply trusted.

Billy was betrayed by his girlfriend, Agent Jane Driscoll, who was secretly working for Samantha "Sinatra" Redmond. She poisoned him on Sinatra’s orders to prevent him from revealing the truth about the surface and Paradise’s hidden secrets.

Paradise follows Secret Service Agent Xavier Collins (Sterling K. Brown) as he investigates President Cal Bradford’s (James Marsden) mysterious death in a post-apocalyptic bunker. Episode 4 reveals Billy’s past and a shocking betrayal, raising doubts about loyalty and trust among the survivors.

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The betrayal in Paradise episode 4

A still from Paradise episode 4 (Image via Hulu)

After spending a heartfelt evening with Xavier's family, Billy returns home to his girlfriend, Agent Jane Driscoll, portrayed by Nicole Brydon Bloom. Unbeknownst to him, Jane is also working for Sinatra. In a chilling turn of events, she poisons Billy, ensuring his silence.

When he passes away, Jane fabricates the scene to look like a suicide, demonstrating her devotion to Sinatra and her readiness to eliminate dangers without hesitation. Since Billy trusted this person implicitly, this betrayal is especially painful and adds a personal tragedy to his death.

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Implications for the bunker

Billy's death raises significant questions about the true state of the surface world and the extent of Sinatra's manipulations. The revelation that the surface is breathable contradicts the narrative maintained within the bunker, suggesting that the residents have been deceived to maintain control.

This deception hints at broader conspiracies and sets the stage for potential unrest as the truth begins to surface. Moreover, operatives like Jane indicate a deep loyalty network to Sinatra, complicating the dynamics of trust within the community.

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Billy's troubled past

A still from Paradise episode 4 (Image via Hulu)

The episode opens with flashbacks to Billy's early years, which show that he was raised abusively by his uncle. He learns a philosophy of never hesitating from this environment, which ends up becoming a defining characteristic.

This mindset leads him to violence, from self-defense in juvenile detention to becoming a mercenary. His harsh experiences shape him into a ruthless and decisive fighter.

Billy and Agent Xavier Collins develop an unexpected bond after Billy joins the bunker community. He has a chance at redemption and a return to some semblance of normalcy in this relationship.

He develops a close bond with Xavier's family, particularly his kids, and is given the loving moniker "Uncle Billy." Billy finds a purpose beyond his violent past thanks to this newfound connection, which raises the possibility of change and personal development.

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The deadly mission

Three months in the bunker, Billy suggests to President Cal Bradford that the residents need closure about the outside world. This leads to an expedition, but none of the team members return. It is later revealed that Samantha "Sinatra" Redmond ordered Billy to kill them to cover up the truth.

Susan informs Billy before she dies that the surface is not as uninhabitable as they have been told and that the air is breathable. Following this discovery, Billy finds himself in a moral bind as he must deal with the fallout from his deeds and the lies that were propagated in the bunker.

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Confrontation with Sinatra

A still from Paradise episode 4 (Image via Hulu)

Haunted by guilt and the newfound knowledge about the surface, Billy confronts Sinatra. He demands that she leave Xavier and his family alone, asserting his loyalty to them. Sinatra dismisses his concerns, reminding him of his role as her enforcer and belittling his attempts at defiance.

By threatening to take away everything he values, she highlights her control over his fate in the bunker. This confrontation exposes Sinatra's brutality in maintaining her version of order in the bunker, as well as the power dynamics at play.

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Stay tuned for more news and updates on Paradise and similar projects as the year progresses. Episode 5 will air on February 11 on Hulu.