After some sinister goings on at Dot's leave her feeling uneasy, the pensioner confronts Stuart Highway about his behaviour... but will she regret crossing the criminal?
Stuart has got his feet well and truly under Dot's table of late.
Ever since his nemesis Mick Carter returned to the Square, Stuart has been hiding out at Dot's, biding his time before he makes more trouble for his former friend.
Things seemed to be going so well for the villain at first. Manipulating Dot was easy enough, and then he managed to get rid of Robbie by giving him money to see his son for Christmas.
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But when Dr Legg moved into Dot's house, Stuart's true colours were threatening to expose themselves as he struggled with hoodwinking two OAPs at the same time.
Knowing that Dr Legg isn't a well man, Stuart decides to target his weak spot by stealing his photo of his late wife.
But when the doctor tries to tell Dot about what has happened, his pleas fall on deaf ears.
If there is one thing that Dot loves, it is trying to see the good in people. And it seems despite the fact she should have her work cut out seeing any good in Stuart, she can't help but fall for his charms.
As Stuart continues to get himself in Dot's good books, Doctor Legg tries once more to tell his friend that she is being taken for a ride.
Finally Dot listens to what he has to say, and despite the fact she wants to believe that there must be a rational explanation for the missing photo, she tells Dr Legg that she will ask Stuart to leave.
Confronting Mr Highway, she asks about the missing print and demands that he leaves her house immediately.
Unsurprisingly Stuart is already one step ahead of the pair and pretends to search the house for the missing picture... leaving Dot to soften towards him once again.
But is this game playing just part of a bigger, more sinister, plan for Stuart?
It's no secret that Dr Legg is set to die this year, with faces from the past returning to Albert Square for his funeral.
But could the former GP be killed off by evil Stuart instead of natural causes?
EastEnders airs Monday and Friday at 8pm and Tuesday and Thursday at 7.30pm on BBC One.
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