Karen Miller is in witness protection with a new identity: Emma Hall. When she befriends a girl who then dies it triggers dark memories of her dead serial killer lover, Kit Parker's crimes. Mary Barlow the mother of one of the victims sets a predator to hunt down Karen.

Emma finds Jess' body has gone. Pete convinces her she has hallucinated on her medication but she finds her own proof that what happened in the bayou was real. Mary holds a vigil for her missing daughter that brings a new lead and John gleans insight into Emma's past.

Emma searches for the truth about Jess and finds that Pete worked at Saint Jerome House. Wary of his increasing control over her she panics and reaches out to a figure from her past. Mary crosses her own moral line in her obsession to bring Karen Miller to justice.

Emma's in free-fall at her growing distrust of Pete. When she learns he owns the cabin she decamps to the storm shelter where she discovers eerie mementoes that make her feel unsafe. John and Mary's conflict of interest over Esther has devastating consequences.

Emma's return to Minnesota goes to the core of her being. Her secret protected by Esther is her daughter, Freya, being raised by foster parents. Power shifts further to John when Mary discovers his past. Rose finds the truth about Emma and John finally tracks his prey.

Emma determines to start her life again; to be the mother her daughter deserves. Mary and John face their own exiles and despite her horror at John's nature she is locked in his power game and must continue her connection in the hope it leads to the truth about Theresa.

A local woman with second sight triggers chilling memories that point to Emma's involvement in Theresa's death and lead to a disturbing discovery of further damage to girls at the group home. John draws closer to Emma and Mary clears her life of everything but revenge.

Emma finds herself isolated and finally making sense of a past with Kit. To assuage her guilt she pursues the truth about Jess and puts herself in further danger. Mary numbs her pain with sex and drugs and renews John's task, unaware he is reaching his dangerous peak.

Emma uncovers the truth at Saint Jerome House and unwittingly sets off a terrible chain reaction in Rose who reaches out to Mary. John gaslights Emma via Tom's phone and arranges to meet her with terrifying repercussions. The trauma of this finally unlocks her memories.

Emma fights to survive John. Mary attempts a rescue that sees both women fight John. In the coverup, Mary learns the truth about Theresa. Finding her daughter has been taken, Emma vows to find her. The killer of Jess is revealed and justice delivered to the Lord family.