British TV InterMix : EastEnders - Phil Mitchell's huge secret regarding Kathy Beale could be exposed when he is followed by a suspicious Sharon and Ian.

Sharon will demand answers from her husband Phil when she sees a text from Kathy on his phone.

Sharon's discovery comes amid a difficult time for Phil as he finds himself under more pressure from Kathy, who is desperate to return home to Walford.

Kathy pleads with Phil

Kathy begs Phil for help

Following a visit from Kathy at The Arches, Phil hides a bag of cash there but later returns and realises that Ben and Jay have found Kathy's sunglasses.

After Ben teases him about having another woman, Phil snaps but faces further problems when he arrives home and finds Sharon wanting to speak to him.

Realising Phil's mood, Sharon soon changes her mind but Phil is left panicking when he comes downstairs to find Sharon holding his phone asking who "K" is.

Phil tries to get his phone off Sharon

Denny witnesses Phil and Sharon's scuffle

As Phil physically grabs the phone from Sharon, he sees that he needs to go to St Pancras to meet Kathy and is forced to lie about who "K" really is.

Phil soon leaves to meet Kathy but Sharon refuses to believe his story and visits Ian, admitting that she thinks Phil is having an affair.

With some encouragement from Ian, the pair head off to St Pancras to find out what Phil is up to. Will Ian and Sharon finally learn the truth about Kathy being alive?