The aftermath of Jake’s death begins to unfold at Bayview. The Murder Club faces a new threat.

With loved ones beside him, Gus goes on a treacherous journey into the cave to find a cure once and for all. Meanwhile, chaos breaks out at the outpost.

After suffering an unimaginable loss, Gus must make a choice that will determine the fate of humans and hybrids. Who will be left to tell their story?

After a doctor joins Gus and his crew, they seek a way to the coast and stumble upon a plane owned by a family in desperate need of medical attention.

As Gus learns more about a threat and their dangerous plans, the group races to catch a departing boat. Jepperd and Becky face an impossible decision.

An unsettling discovery at sea forces Gus to take on a grim chore as tensions swell between his companions. On land, an enemy interrogates Becky.

As polar night looms, Gus and his crew arrive at the outpost — but they’re not alone. To find Birdie and the cave, they must brave several obstacles.

After a daring rescue, Gus meets an individual well-versed in hybrid history. Amid emotional reunions and eerie revelations, all roads lead to the cave.

A shelter-building contest turns ugly. Toni provokes strife on her team, and we’ll learn in flashback that this isn’t the first time her rage issues have caused devastating harm.

When one of the castaways goes missing, a search party heads out to find her. We learn more about Fatin’s past, which isn’t exactly the glamorous thrill ride the others…

A sudden illness rips through the beach camp, affecting nearly every castaway. As the girls fight for survival, we learn more about Leah’s past and how she’s been faring since…

A tidal surge forces the castaways to relocate their camp. Still suspicious of the island and how they got there, Leah turns her paranoia on one of the other girls,…

Assuming that rescue is imminent, the castaways let loose. The only girl who doesn’t feel festive is Shelby, and a look into her past reveals why.

Starvation becomes a very real possibility for the weakened girls. Martha could spare them from that fate, but it would require a sacrifice she’s not prepared to make. Flashbacks take…

On the island, Leah feels closer than ever to proving that someone’s behind their predicament. Post-rescue, fed up with the tight-lipped authorities, Leah goes searching for her own answers.

Nine teenage girls are en route to Hawaii when their plane fails, leaving them stranded on a remote island. Among them we meet Leah, who has survived to tell their…

The castaways are still reeling after a tragic event. Frustrated by everyone else’s inaction, Rachel leads an expedition to the island’s summit to get a lay of the land. We…

Leah, Rachel, and Nora swim out to the plane wreckage and return with a crucial find. Fellow Texans Dot and Shelby search for a cave that might provide better shelter,…