Andy takes on the mastermind behind the crisis; Elena puts clues together to help find the culprits.

Andy has a connection to the crisis; Elena and Sam are detained; Laura and Owen face their pursuer.

Andy and Mika try to get home; Elena gets medicine for Sam; Laura and Owen evade a growing threat.

Andy and Mika are hunted; a mysterious man tracks Laura and Owen; Elena and Sam try to get home.

The Yeats family is separated across continents as a global oil crisis unfolds and chaos erupts.