Maeve finds herself in a new park and meets a ghost from the past; Bernard makes his way back to Westworld.

Charlotte grapples with reality; Dolores and Caleb begin to form a key partnership.

Bernard and Ashley infiltrate a private charity event, while Dolores and Caleb make similar plans; The Man in Black prepares to re-enter society; Maeve comes face to face with an old comrade.

Serac's past is revealed; Dolores pressures Liam for access to Rehoboam; Caleb is dosed with an unusual party drug.

As the world falls into chaos, Serac gains control of Delos, changing Charlotte's plan; Maeve gets one last chance to stop Dolores; William starts his therapy.

Caleb gets an insight on the true nature of his past; Dolores seeks out Rehoboam's predecessor, while Maeve tracks her down; Bernard, Stubbs, and William escape from all the chaos.

Dolores' true intentions are revealed; Bernard confronts a ghost from his past; Maeve is conflicted; Serac's voice is dominant; Caleb's role is revealed; and William faces an unexpected villain.

Ruth's dad gets out of jail. Approval for a riverboat casino calls for Wendy's political skills. The Mexican cartel demands reparations from the Snells.

When a mobster jeopardizes the casino bill, Marty enlists Buddy's help. Wendy resorts to dirty tactics to get votes. Cade reminds Ruth of her roots.

Wendy does damage control when Wilkes's pressure on Sen. Blake backfires. Rachel is sent on a mission. Ruth resists accepting her Langmore destiny.

The FBI sends out a second lure. Charlotte slips up while chatting with Wyatt. The Byrdes grow wary of Rachel, who deflects suspicion onto someone else.

Agent Petty's revelation tests the loyalties of Marty, Ruth and the cartel. Despite the FBI closing in, the Snells refuse to destroy their poppies.

An FBI search of the Snells' field yields a surprise. Playing hardball, Agent Petty questions Wilkes. The Byrdes mourn a loss.

Mason goes off the deep end and focuses his rage on the Byrdes. Ruth tries to make her dad proud during a boat-part heist.

Darlene makes one too many rash moves. Marty tries to free Rachel from Agent Petty's grasp. Jonah helps his mom force Wilkes to continue his support.

Marty finds a way around the Snells. Charlotte hires a lawyer. The Byrdes get a meeting with the gaming commission, whose approval comes with a big ask.

Marty makes plans without telling Wendy. Darlene sends a message via Jonah. Wyatt learns the truth about his dad. Ruth realizes Cade must be stopped.

Marty is pressured to move money ahead of schedule, Wendy pitches a high-stakes plan, Wyatt lives the good life, and Ruth butts heads in the casino.

Wendy asks Helen – not Marty – to help close a deal, the Byrdes get a new houseguest, and business goes boom aboard a rival casino.

The FBI dives into the casino's finances, Wendy's dreams take a dark turn, and Marty worries that the writing may be on the wall.

As Wendy, Helen and Ruth strive to keep the business humming, Navarro plays mind games with Marty, who worries he'll never see his family again.

Maya steps up her bid to turn Marty, whose eerily calm demeanor has Wendy worried. The Byrdes buy a horse farm on behalf of Navarro.

Marty and Wendy tell each other how they really feel, Ruth confronts Wyatt, Darlene lets her ambitions be known, and Ben's past comes into focus.

The FBI questions Ruth, tensions between Cosgrove and Marty hit a new high, Sue takes on a new patient, and Wendy recruits for her foundation.

Ruth isn't happy about Marty and Wendy's plan to bury the hatchet with Frank Jr. The Byrdes make a difficult decision about Ben. Maya is reprimanded.

Ben's confrontation with Helen and Erin sends the Byrdes into crisis mode. Meanwhile, Sam's concerns about the FBI inspire little sympathy.

While Wendy battles personal demons, Marty struggles to keep their lives from falling apart. Darlene does Ruth a favor.

An ex-Army helicopter pilot, Sylvie, finds herself in the middle of a strange hijacking drama aboard her flight from Brussels to Moscow.

After flight's Wi-Fi service resumes, the survivors discover worrisome details about the pasts of some of the passengers and hatch a desperate plan to get rid of them.

A series of structural failures in the airplane keep the survivors on edge amid rising tension and distrust.

Emotions run high as the group makes one last desperate bid to reach safety before dawn breaks.

Tyler Rake, a fearless black market mercenary, embarks on the most deadly extraction of his career when he's enlisted to rescue the kidnapped son of an imprisoned international crime lord.

Anger and grief heighten tensions between the group. The Professor, while in mourning, attempts to make a daring and dangerous escape.

Palermo shocks the group with his actions. Sierra pressures her subject to take a deal. The Professor remembers his brother's wedding.

The Professor's mole attempts to pass along his message to the person inside the tent. Denver's jealousy toward Mónica and Rio's friendship heightens.

In the past, Berlin predicts that Gandía will cause problems for the operation. Sierra's interrogation of Lisboa leads to a personal revelation.

Denver turns to an undercover source for help. Nairobi attempts to motivate her team as the danger around them intensifies.

With Nairobi held hostage, Gandía negotiates with the crew. The Professor desperately seeks a new plan to save his team.

The group reels following the attack on one of their own. The Professor puts his adjusted plan in motion with the help of new recruits and Palermo.

The Professor, Benjamin and the others attempt to free Lisbon. Tokyo's anger threatens her faith in the plan. Sierra takes matters into her own hands.

While celebrating his 40th birthday, Félix worries about his associates' loyalty and confronts Pacho. Walt and his team plan retaliatory kidnappings.

Verdin taunts the DEA agents torturing him. Félix offers opium dealer Guerra a partnership deal. Benjamin's sister Enedina poses a new business idea.

Multiple advisers counsel Félix to go into hiding as the Americans close in on the men involved in Kiki's murder. Amado helps Acosta resolve a feud.

Zuno testifies in front of a grand jury. Isabella tries to broker a deal with Enedina. Félix makes a daring offer to a U.S. contact.

Calderoni briefs Walt on the tension between the plazas as Chapo continues construction of his tunnel. Félix's meeting with Pacho takes a turn.

Félix meets with a political leader. Benjamín takes a stand when the Sinaloa and Tijuana rivalry intensifies. Walt's team turns its attention to planes.

Félix proposes a new plan to help the PRI win the election and defeat Cárdenas. Promised intel on Félix, Walt takes an unexpected meeting in Ojinaga.

Mexican authorities, the FBI and Félix all seek out Acosta after a newspaper publishes an interview with him. The presidential election begins.