EastEnders spoilers follow.

EastEnders is set to air a shock collapse for Stevie Mitchell, as his secret family arrives in Albert Square.

This week will see Lola’s charity money get stolen, and in scenes that will air next week, Stevie becomes the prime suspect.

Stevie aims to find out the truth and asks Will about his involvement, who later fiercely defends his grandad in the pub.

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He follows Will home and encourages him to confess to what he did, but Will refuses. In a moment of madness, Will knocks Stevie over before rushing off.

Seeing Will running from the flat, Phil investigates and finds Stevie unconscious on the floor, so calls an ambulance.

The Mitchells rush to the hospital and are relieved to be told that Stevie just has a concussion and will be okay.

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But meanwhile, Teddy, Harry and Barney Mitchell arrive in Albert Square looking for Stevie…

Billy later tells Stevie that while he is glad he is okay, they are finished as a family. Will apologises to his grandad, and as Stevie consoles him, he spots his son Teddy.

Stevie lies to Teddy about where he has been and doesn’t tell him who Will is, but Teddy is curious, and he decides to try to find out.

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Later, Billy is shocked when he gets a text from Elaine to say Will is in the bar with a man she doesn’t recognise.

Everyone rushes to The Vic, and it looks like a fight is about to kick off, until Stevie drops the bombshell that Teddy is Billy’s brother.

Meanwhile, Teddy’s sons both do their own digging as they explore Walford. Sparks fly as Harry chats up Penny, while Barney gets the lowdown from Avani.

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Stevie’s revelation leaves Billy reeling, while Teddy wants answers as to who put his dad in hospital. As tempers flare, Stevie has a lot of explaining to do about his secret family.

illy rushes off and Stevie follows him, leaving Teddy and Phil arguing between themselves.

Will Stevie manage to make amends with Billy, after this shocking news?