A murderer who has terrorised Walford is to make a shock return to the BBC soap opera next week.

New spoilers released by show bosses have hinted that Zack Hudson is in for some upheaval in the coming days as the killer comes back.

Nicola Mitchell (played by Laura Doddington), who was exposed to viewers as Shireen's killer only a few weeks ago, is back, and her dark secret remains hidden from the unsuspecting residents of Albert Square.

Murderer Nicola Mitchell to make shock return to BBC show next week

Upon her return to EastEnders, Nicola will begin meddling in the life of Zack, after he learned that he is the biological father of Nicola's teen son Barney.

To stop him from revealing this to the boy, Nicola will go to any means necessary to keep him quiet.

According to The Mirror, she left Walford to give herself a break after the situation around Shireen's murder and Zack's eagerness to confess to Barney became too much to handle.

Upon her return to the BBC show, she is shocked to learn that Zack and Barney have become close after the former started offering training sessions to the teenager.

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To break the pair up, Nicola employs the help of fellow teens Tommy Moon and Joel Marshall.

The pair then confront Barney and begin tormenting him, leading the boy to believe that Zack orchestrated the whole ordeal.

However, Zack is determined to prove to him that he had nothing to do with the horrendous situation.

EastEnders will be on tonight at 7:30pm on BBC One.