Lily: [s4e20]

: Lily reveals she has known the truth about her heritage and Emma's parents for years and has been seeking revenge.

For deeper analysis, you can check out reviews and recaps on sites like TV Fanatic and Entertainment Weekly. Once Upon a Time, Season 4, Episode 20: Lily

: Desperate to reunite with her daughter after years of separation. Plot Highlights [S4E20] Lily

: Emma and Regina track Lily to a diner where she is living under the name "Starla".

: Snow White and Prince Charming must face the consequences of the "lesser of two evils" choice they made regarding Emma’s darkness. Production Credits Director : Ralph Hemecker Writers : Andrew Chambliss & Dana Horgan : Lily reveals she has known the truth

: Revealed to have lived a life plagued by bad luck and dark impulses due to the Snow White/Prince Charming's past actions.

: Grapples with her "potential for darkness" and the guilt of knowing Lily’s life was ruined to ensure Emma’s goodness. Plot Highlights : Emma and Regina track Lily

Emma discovers that Maleficent’s daughter, Lily, was the friend she knew in foster care. Realizing that Lily was born with the potential for darkness that was magically removed from Emma, she sets out to find her and reunite her with Maleficent.