After fleeing a burning Los Angeles on Strand's yacht, tensions arise among the group. Strand remains mysterious. Our group encounters danger at sea.

The group seeks shelter with a survivalist family; and Madison tries to uncover the family's true motives. Meanwhile, Salazar works to discover Strand's intentions.

Madison confronts Strand about his mysterious destination. Meanwhile, Nick, Alicia and others inspect wreckage from a plane crash.

A family in distress boards the Abigail. Strand branches off and his past begins to emerge. Nick searches for an associate of Strand's.

Alicia works toward reuniting with her family. Travis comes across a familiar face. Madison and Nick try to save their family against all odds.

Conflict arises as the Abigail approaches its destination. Chris makes a staggering decision. Nick meets a new maternal figure.

The family faces their biggest test yet; Nick, Madison, Travis and others try to stay close to each other.

Nick's search for answers leads him into a deadly dog-eat-dog landscape. A dark time from his past is uncovered.

After the fall of the compound, Madison, Strand and others forge a tenuous path forward. Meanwhile, Nick is recruited for a perilous assignment.

Travis has a hard time connecting with Chris while looking for shelter; Alicia meets a woman with a bloody past.

Alicia and Madison try to bring two competing factions together; Nick uses skills from his past for his new role.

At the Colonia, Alejandro reveals his darker side; a hotel resident becomes violent and Madison springs into action.

Madison struggles to cope as a large number of refugees flood into the hotel, including someone familiar but unexpected.

Travis is thrown off by new refugees; Nick must decide if he's going to stay at the Colonia with Luciana or leave.