Elliot seeks help from an unlikely ally to secure his escape from the island. Meanwhile, Helen gets acquainted with some threatening figures as she continues to track Elliot down.

Elliot receives a surprise visit from Ethan, and the pair work together to track down Helen. Meanwhile, tensions are reignited between Elliot’s family and the McDonnells.

The McDonnells and Cassidys prepare themselves for all-out war. Elliot and Helen face a race against the clock to stop any more bloodshed.