Tiffany Butcher has been kept in the dark after Keegan Baker slept with Dotty Cotton however next week the truth is exposed.
It all begins with Keegan telling his dad the truth about cheating, after Mitch Baker convinces his son to tell the truth, Keegan tells Dotty he's coming clean.
However they're unaware that someone has overheard their conversation and tells Tiff the truth before Keegan can...
Chelsea Fox plays with fire when she flirts with another man while Gray Atkins is in close distance and Ruby Allen tells Martin Fowler that Jean Slater has terminal cancer.
Elsewhere Kathy Beale is left heartbroken, there's a robbery at The Vic and Kat Moon lays down the law with Tommy Moon.
EastEnders spoilers: Monday 23 – Friday 27 August 2021
EastEnders spoilers: Tiffany Butcher discovers Keegan Baker's betrayal
1 of 7eastenders keegan
After telling his dad that he slept with Dotty, Keegan decides to finally tell Tiff the truth. But when Dotty convinces him to stay quiet - they're unaware that Vinny has overheard their conversation.
2 of 7eastenders tiff
Vinny rushes to tell Tiffany everything and she's left shell-shocked. Tiff then confronts her husband Keegan - is it over for the pair?
3 of 7eastenders chelsea gray
Chelsea organises a date with James, the guy she hooked up with, while Gray is at the bar. Later on Chelsea buys a ring from the pawn shop - she's unaware that it's Chantelle's. When Gray spots it he's furious. After noticing Gray's behaviour, Jack Branning is left feeling suspicious...
4 of 7eastenders ruby
Ruby tells Martin that Jean has terminal cancer. When Lily Slater tells them that Jean is returning to Walford, Ruby is left worrying what she'll say.
5 of 7eastenders kathy harvey
When Rocky spots Kathy out with Harvey, he tells her he's happy that she's moved on. Kathy is left heartbroken by his attitude.
6 of 7eastenders nancy and zack
When two men plot to rob The Vic, Linda is left terrified... However when Zack, who is upstairs with Nancy, hears the commotion he rushes downstairs.
7 of 7eastenders tommy
When Kat discovers that Tommy has been secretly speaking to a woman online, she punishes him. Later, he runs off and meets the woman at the playground - when Kat finds out her identity she's shocked.
WATCH: Hugo, Lillie and Lucinda reveal the secret conversation CUT from the show | Love Island Secrets
READ MORE
Before any of the above, here's everything that will happen on Eastenders this week...
Viewers have watched as Sheree Trueman has tried to ruin Lola Pearce and Isaac Baptiste's relationship and this week it appears that she's succeeded.
It all begins with Sheree discovering that the parents at the school have been trolling Issac.
Later she goes to visit Isaac but is stunned when she finds out that Lola has been visiting him.
When Sheree bumps into Lola she manages to convince her to end things with Isaac - is this really the end of Lola and Isaac?
Meanwhile, Billy Mitchell and Jay Brown feud over who should take Tommy Moon to his football trial.
Callum Highway worries about Kheerat Panesar getting involved in the business and Ash Panesar prepares for her GP qualification assessment.