Emma is haunted by a dream; Audrey begins to receive phone calls, threatening to expose her connection to Piper.

Maggie reveals something else about Emma's past; Someone unexpected arrives in town; Noah investigates an unsettling new lead for his podcast.

Emma works through the implications of her father's return; A bloody gift proves Audrey's stalker is progressing; Branson returns to Lakewood.

Brooke is worried about Jake's sudden disappearance until a gift arrives in time for Kieran's birthday party.

The death of a loved one hits everyone hard; George Washington High goes into lock-down; Suspicions rise among the Lakewood Five.

Noah gets more information on Piper's accomplice and takes his investigations further.

Eli and Emma go on a criminal adventure as Noah and Zoe's relationship escalates and Brooke and Audrey get lured into a trap.

The killer forces Emma through a deadly game during the Lakewood carnival, where Brooke launches an attack on the town.

Audrey and Emma are driven further apart; Maggie and Acosta worry about secrets from their past; Noah's affection for Zoe is used against him.

In the wake of another murder, Emma and Audrey become prime suspects when evidence appear implicating them both in the killing spree.

Emma and Audrey face off against the killer and unmask Piper's final surprise.

The Lakewood survivors take refuge on a remote island with an infamous past and end up in a bloody standoff.