EastEnders spoilers follow.
EastEnders' Whitney Dean will hide a secret after returning to Walford next week.
Viewers last saw Whitney in Milton Keynes, where she became determined to foster a troubled local youngster called Britney.
Whitney's plans did not go down well with her partner Zack, who returned to the Square alone and later tried to kiss her best friend Lauren.
Zack is keen to show Whitney how serious he is about their future and decides to throw a welcome home baby shower in The Vic.
He reluctantly invites Lauren, who senses his awkwardness and assures him that she won't be telling Whitney about the pass he made at her.
What to Read Next
Whitney eventually arrives home alongside Britney, who reveals that she is her new foster mum.
As Whitney confirms the news, Zack storms out, furious that she didn't tell him.
Whitney finds Zack to clear the air, while Lauren looks after Britney – who begins to cause trouble in the Square.
As Zack and Whitney continue to clash, she turns to Lauren for support.
Tensions remain high between Whitney and Zack as she continues to devote her time to Britney.
Whitney intercepts Britney secretly discarding her sheets, having wet the bed, while Zack later explains that he found food hidden under Britney's bed, and reasons that they need to tell social services.
After reflecting on his own fostering journey, Zack tries to bond with Britney and takes her for a cooking lesson at Walford East.
Whitney later takes a phone call from social services, but Lauren overhears the conversation and presses Whiney on what's really going on.
Whitney eventually reveals all to a shocked Lauren, who urges her to share the truth with Zack as well.
At her 30th birthday party, Lauren starts to think that she is being too hard on Whitney following a conversation with Chelsea.
As they make amends, Whitney promises to tell Zack the truth, but what is she hiding?
EastEnders airs on Mondays - Thursdays at 7.30pm on BBC One. The show also streams on BBC iPlayer, where most episodes drop early at 6am ahead of their TV broadcast.
