New pictures released by the BBC One hint at further drama in upcoming episodes as Keegan (played by Zack Morris) barges into the Walford shop to have fierce words with Denise (Diane Parish).
Denise grows frustrated when Keegan, clad with scars on his face, continues to cause trouble for her by starting a scene in the Minute Mart, and helping himself to her store goods.
As the pair come to blows, Kush Kazemi arrives to try and diffuse the situation as Shakil Kazeemi (Shaheen Jafargholi) watches on.
Has Keegan met his match with Kush (Davood Ghadami)?
Keegan has previously shown little respect for Denise and the Minute Mart after looting the store during the bus crash disaster.
Will the unruly teenager cause havoc when the episode airs on Monday February 27?
It comes after the pair clashed during an explosive confrontation in the middle of Albert Square last week.
Denise has previously been vocal after taking issue with the mouthy student and demanded that he show more respect to others.
Keegan was left feeling agitated at being told off by Denise and lashed back at her with the whole of Walford watching.
Patrick Trueman (Rudolph Walker) was compelled to wage into the argument but Denise refused to allow him to become entangled in Keegan’s web of abuse.
Shakil held his “friend” back after appearing to have patched up their differences having previously fought each other in the school playground.
Keegan was insulting Shakil after the latter fell victim to a teen revenge porn plot in which explicit photos of him were shared over social media at school.
EastEnders continues on Tuesday night at 7:30pm on BBC One.