Peter tells Elsie the end of the story. Harper races to find Elsie before it's too late.

Harper follows a promising lead on Elsie's family. Peter takes Elsie to an important place from her past, helping her access the truth about her mother.

Harper has a breakthrough connecting the Cherry Falls Jane Does to Elsie's mother. Peter relives the night he met Wendy. Elsie, alone again, accepts a surprising lifeline.

Harper and Elsie track Peter to his hometown; Harper and Peter's histories collide in an unexpected way and Elsie finds herself at the center of a twisted ritual.

Peter rejects his family's dark legacy; Harper and Elsie's bond deepens as Harper shares her connection to the unidentified victims.

Harper faces the consequences of her unconventional detective work while Elsie reunites with a friend; Peter tries to prove himself to his father -- and to Elsie.

Elsie joins Harper's investigation and helps track down a suspect; Peter takes a trip that reveals his inner demons.

Harper finds an unexpected ally, exposing shocking information about Elsie's family. Elsie struggles to remember her mother's face. Peter digs up his violent past.

Peter opens up to Elsie about the origins of the song that haunts them both. Harper pursues the Cherry Falls investigation - against the Sheriff's wishes - with the help of an inside source.

Harper, a reclusive online investigator, breaks open a cold case. Elsie, a troubled foster kid, tries to recall the song linking her to a mother she barely remembers – and to Peter, a convict with dark secrets.