EastEnders' Phil Mitchell will terrorise Jack Branning later this month, after becoming convinced that he's Sharon's secret lover.
Upcoming scenes will see Phil (Steve McFadden) start to grow suspicious of his wife Sharon, but wrongly suspects that Jack is the man in question.
Convinced Sharon and Jack are having an affair, Phil vows revenge – despite Ben's efforts to convince him otherwise.
With Ben on edge over what Phil is planning, he panics when Jay mentions that Jack is with Lola and races to them.
With Phil growing increasingly frustrated, Ben is left further concerned when he spots his dad struggling to control his anger in the car.
Aware that Phil is a ticking timebomb, Ben later issues some home truths in a bid to make him see sense.
Taking matters into his own hands, Ben promises to sort things out himself – unaware that Phil actually has no intention of letting Jack off, as he broods with a gun.
Adamant Jack's the father of Sharon's baby, Phil is soon going to extreme lengths to show he's not to be messed with.
With Jack in terrible danger, tensions reach breaking point at The Arches as he desperately tries to convince Phil that he's got the wrong man. Can Jack talk himself out of trouble? Or is Phil about to make a terrible mistake?
EastEnders airs these scenes in the week commencing Monday, December 16 on BBC One.
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