The Thomas family arrive on Saint X for a seemingly idyllic trip. In present day Brooklyn, Emily has a surprise encounter with someone from her past. The genesis of Gogo and Edwin's friendship is shown.
More information is revealed about what happened the night Alison disappeared as she finds herself drawn to both Edwin and Tyler. Emily digs deeper into Alison's past. A tourist family makes a shocking discovery on an off-resort excursion.
Gogo and Edwin become the prime suspects in Alison's death after her body is discovered. Emily lies to Josh and Sunita as she continues to follow Clive.
More of Clive's history is shown after he left the island. Clive reluctantly opens up to Emily, who continues to aggressively pursue him with help from Sunita. Alison and Edwin grow closer.
Someone from Clive's past reaches out to him. Tyler attempts to push things with Alison. Emily's obsessive search for answers challenges her relationship with Josh and leads her to clash with Sunita.
