Desperate to rescue his son, Oliver, from a potentially lethal situation, Jude reaches out to Emma with a request that could endanger the lives of everyone at the camp. Meanwhile, Hannah's secret past comes to light, Sophie discovers something unexpected in Leah's blood work and Paul discloses a shocking piece of information about the earlier migration.

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.