People are found on the beach, some living some not, with dozens more floating in the water. They claim to be from a hellish future where mutant humans have taken over and are exterminating the rest of us.
In a flash-forward, Reece adopts an orphaned Leah, going against the Apex. In present day, Jude works towards a peaceful solution with the government, but is surprised by a special forces team intent on capturing Reece at any cost.
Desperate to rescue his son from a potentially lethal situation, Jude makes a request that could endanger the lives of everyone at the camp; Hannah's secret past comes to light; Sophie discovers something unexpected in Leah's blood work.
Flashbacks reveal a haunting connection between Marshall and the early migration. Meanwhile, Jude investigates a mysterious disappearance, and Sophie risks her life and career to help Reece save her daughter.
Jude is forced to confront his past when he travels back to Oakland to seek assistance from a former colleague. Meanwhile, Caleb reaches out to Marshall after noticing heightened security around the camp; and Sophie experiences an unexpected setback with her plan to help Reece reunite with her daughter.
As tensions in the camp rise, Craig Lindauer agrees to allow a select group of refugees take a trip into town, causing Jude to question the sudden show of goodwill. Meanwhile, Hannah shares startling information with Marshall, and Caleb discovers that a survivor amongst them is an Apex insider.
Jude and Nestor find a connection to the crossing in an unlikely place that provides answers about what really happened. Naomi's growing influence leads to confrontation.
Jude and Nestor plan to break the refugees out of the camp, but the plan is complicated when Sophie arrives with new information. Marshall takes matters into own hands.
