Can Martin stop Stacey leaping to her death with Arthur?

With Stacey's psychosis increasing, can Martin convince his girlfriend to come back from the brink? (Image credit: BBC/Jack Barnes)

Troubled mum Stacey is literally on the edge – will Martin get to her in time?

With Stacey's psychosis increasing, can Martin convince his girlfriend to come back from the brink?

Earlier, with no sign of Stacey or baby Arthur, Martin is frantic with worry. He calls Stacey's phone…

Earlier, with no sign of Stacey or baby Arthur, Martin is frantic with worry. He calls Stacey's phone… (Image credit: BBC/Kieron McCarron)

Earlier, with no sign of Stacey or baby Arthur, Martin is frantic with worry. He calls Stacey's phone…

In the grip of her psychosis, Stacey has taken Arthur up on to the roof of The Vic where she feels they will be safe…

In the grip of her psychosis, Stacey has taken Arthur up on to the roof of The Vic where she feels they will be safe… (Image credit: BBC/Jack Barnes)

In the grip of her psychosis, Stacey has taken Arthur up on to the roof of The Vic where she feels they will be safe…

The delusional mum believes Arthur is the son of God and she is paranoid he is in danger

The delusional mum believes Arthur is the son of God and she is paranoid he is in danger (Image credit: BBC/Jack Barnes)

The delusional mum believes Arthur is the son of God and she is paranoid he is in danger

Hearing a crying baby on the rooftop, Martin, Nancy and Tamwar rush up there and are shocked to see the state Stacey is in…

Hearing a crying baby on the rooftop, Martin, Nancy and Tamwar rush up there and are shocked to see the state Stacey is in… (Image credit: BBC/Jack Barnes)

Hearing a crying baby on the rooftop, Martin, Nancy and Tamwar rush up there and are shocked to see the state Stacey is in…

Backing towards the edge of the roof, Stacey refuses to listen to reason. Martin realises she is deeply unwell…

Backing towards the edge of the roof, Stacey refuses to listen to reason. Martin realises she is deeply unwell… (Image credit: BBC/Jack Barnes)

Backing towards the edge of the roof, Stacey refuses to listen to reason. Martin realises she is deeply unwell…

Trying to stay calm, Martin tells Tamwar and Nancy to leave. He talks to Stacey gently, hoping to convince her to come down

Trying to stay calm, Martin tells Tamwar and Nancy to leave. He talks to Stacey gently, hoping to convince her to come down (Image credit: BBC/Jack Barnes)

Trying to stay calm, Martin tells Tamwar and Nancy to leave. He talks to Stacey gently, hoping to convince her to come down

Stacey backs further away, getting dangerously close to the edge…

Stacey backs further away, getting dangerously close to the edge… (Image credit: BBC/Jack Barnes)

Stacey backs further away, getting dangerously close to the edge…

Paranoid Stacey is reluctant to trust her boyfriend - and she has a shocking secret to tell him…

Paranoid Stacey is reluctant to trust her boyfriend - and she has a shocking secret to tell him… (Image credit: BBC/Gary Moyes)

Paranoid Stacey is reluctant to trust her boyfriend - and she has a shocking secret to tell him…

As the pair continue to talk, Stacey reveals her secret – Arthur is not Martin's son… he's the son of God!

As the pair continue to talk, Stacey reveals her secret – Arthur is not Martin's son… he's the son of God! (Image credit: BBC/Gary Moyes)

As the pair continue to talk, Stacey reveals her secret – Arthur is not Martin's son… he's the son of God!

Shocked, Martin tries in vain to reach out to Stacey, saying he believes her. Finally, she hands over baby Arthur to him…

Shocked, Martin tries in vain to reach out to Stacey, saying he believes her. Finally, she hands over baby Arthur to him… (Image credit: BBC/Jack Barnes)

Shocked, Martin tries in vain to reach out to Stacey, saying he believes her. Finally, she hands over baby Arthur to him…

But, at the last moment, Stacey slips – will Martin get to her in time?

But, at the last moment, Stacey slips – will Martin get to her in time? (Image credit: BBC/Jack Barnes)

But, at the last moment, Stacey slips – will Martin get to her in time?

Martin reaches out his hand and manages to pull Stacey back from the brink

Martin reaches out his hand and manages to pull Stacey back from the brink (Image credit: BBC/Gary Moyes)

Martin reaches out his hand and manages to pull Stacey back from the brink

Relieved, the family huddle close, having avoided tragedy – for now…

Relieved, the family huddle close, having avoided tragedy – for now… (Image credit: BBC/Gary Moyes)

Relieved, the family huddle close, having avoided tragedy – for now…

But, with the crisis averted, have their problems really only just begun?

But, with the crisis averted, have their problems really only just begun? (Image credit: BBC/Jack Barnes)

But, with the crisis averted, have their problems really only just begun?

Martin leads Stacey away, desperate to get her and Arthur home

Martin leads Stacey away, desperate to get her and Arthur home (Image credit: BBC/Jack Barnes)

Martin leads Stacey away, desperate to get her and Arthur home

Safely back at home, Martin feels helpless when he realises Stacey is still in the grip of psychosis

Safely back at home, Martin feels helpless when he realises Stacey is still in the grip of psychosis (Image credit: BBC/Kieron McCarron)

Safely back at home, Martin feels helpless when he realises Stacey is still in the grip of psychosis

He promises Stacey he won't leave her alone and decides to keep her illness to himself. But is he doing the right thing? Watch EastEnders on BBC1 from Monday, January 11...

He promises Stacey he won't leave her alone and decides to keep her illness to himself. But is he doing the right thing? Watch EastEnders on BBC1 from Monday, January 11... (Image credit: BBC/Kieron McCarron)

He promises Stacey he won't leave her alone and decides to keep her illness to himself. But is he doing the right thing? Watch EastEnders on BBC1 from Monday, January 11...