Eve has a flashback to when she left Gavin. He promised he'd find her way back to him.
Scott thinks they have around 18 hours left. Ty is worried about Veronica in the forest alone.
Eve tries to explain Gavin's visions to Josh, but he's skeptical. Levi gets a response on his walkie-talkie from Diana Hawkins and tells her that her friend died and they need her help.
Eve and Levi travel to Santa Monica to find Diana. She points a gun at them until Levi produces the photo of her entire unit. She says that being down there for three years makes you distrustful.
Back in LA, Agent Markman stops them from flying the plane. Rebecca finds wreckage from Levi's plane and assumes they fixed it and tried to fly home. Gavin is determined to get a message to them to stop their plan.
Eve and Levi return with Diana, who says the plane can be fixed. Sam and Eve begin drawing names for who will be on the first flight home. Ty asks Eve to watch over Lilly before he looks for Veronica, and they share an emotional goodbye.
Ty finds Veronica praying by her dad's grave. She's convinced he saved her from a better life. She knocks Ty out.
Levi and Diana talk about love and relationships. She misses Sophia.
Sophia broke Rebecca and Gavin out of jail, and he sent a drone with a message through the sinkhole warning them about the crash. No one listens to Eve.
Eve appeals to Marybeth. They tried to stop Levi and Diana, who checked the plane and Diana's gun went off.
Back home, Agent Markman threatened to shoot Gavin's plane if he flew it. He hesitated, but Izzy begged him to return.