In the season finale, alliances are tested, and new ones are formed. The Greybourne will never be the same after a tidal wave of truth finally comes out.  .

Elena's cover is threatened when someone from her past unexpectedly shows up at The Greybourne.

Elena makes a big decision about her future, and a shocking revelation about Jocelyn's history at The Greybourne is revealed.

A blackout at The Greybourne traps Elena, Roman, Bennet, Ginny and Kim in the attic. Tory and Matthew grow closer. Alex makes a disturbing connection.

Elena sneaks into a masquerade ball hosted by the Greybournes. Roman searches Mrs. Ivey's apartment. Ginny confronts Elena about her identity.

On Allie's birthday, Tory, Matthew, and Jasper try to find the best way to confront their grief and honor her memory. Elena discovers someone she trusts is lying to her.

Elena becomes paranoid that she's constantly being watched. Ginny and Elena bond while cleaning out Allie's closet. Elena confronts her past.

Elena snoops around Tory's apartment while helping Darcy and Bennet, which leads to an unexpected discovery in the secret room. Elena is rattled by a surprise call from her past.

While bonding with the other nannies, Elena learns that the Wards' previous nanny vanished without warning. Elena continues her search of The Greybourne and discovers a shocking truth.

Elena Santos works as a live-in nanny for an affluent family in New York City; she quickly learns that everyone in the building has deadly secrets and ulterior motives; what they don't know is that Elena has some shocking secrets of her own.