EastEnders spoilers follow.
EastEnders' Zack Hudson will make a shock move on Lauren Branning next week.
Zack is currently in a relationship with Lauren's best friend Whitney Dean and they are expecting a baby together.
Unfortunately, Whitney and Zack's solid romance will be rocked when she develops an affinity towards a troubled newcomer called Britney, while visiting Bianca in Milton Keynes.
Related: EastEnders confirms two special episodes for Whitney Dean story
Whitney's determination to help Britney causes a huge divide in her relationship with Zack, who ends up returning to Walford alone.
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As a downbeat Zack catches up with Lauren and Penny on Whitney's stall, Sonia is unimpressed to learn that he has left Whitney in Milton Keynes.
Lauren is shocked to learn about the accident Whitney had while she was visiting Bianca, and about her friend's pregnancy.
Related: EastEnders star Navin Chowdhry apologises to fans for Nish surviving Christmas storyline
She later has a heart-to-heart with Zack, who continues to struggle with the ongoing distance between him and Whitney.
Wanting to help, Lauren contacts Whitney and airs her concerns for Zack after he drowns his sorrows in The Vic. However, Whitney remains firm on wanting to stay in Milton Keynes with Bianca.
Lauren stops Zack from drinking himself into oblivion and offers to help him sober up.
Related: EastEnders' Diane Parish shares sweet reunion as she supports co-star's new project
When Lauren offers some advice on his relationship, Zack misreads the situation and leans in to kiss her. How will Lauren respond?
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.
