Denise Fox (Diane Parish) is in a terrible state in EastEnders spoilers - she has hallucinations of Keanu Taylor (Danny Walters) and goes to visit her killed ex Lucas Johnson (Don Gilet).
Stacey Slater (Lacey Turner) realises that Denise is experiencing psychosis and tries to get her to see a doctor after recognising the symptoms.
Ricky Branning (Frankie Day) is convinced Denise is having a breakdown when he overhears her saying strange things, but Amy insists she just needs to sleep.
However, Denise heads to the only person she thinks can help. She visits her ex-husband and convicted killer, Lucas, in prison.Read more on ok.co.uk