Clouds of suspicion gather round Mark when his nasty plan for revenge on Nick works like a charm.

Nick's rushed to hospital and wakes from his coma with a fractured skull and spinal injuries. Roy arranges to meet Pat, but bottles out. Meanwhile, Martin tells Pauline that he is Chloe's father.

After a day on the warpath, Pauline takes matters into her own hands. Pat reels from Roy's unexpected decision. Terry and Janine advertise their new letting business venture.

Nick's injuries are more serious than he thought. Pauline and Martin head to the solicitors to see what can be done about Chloe. Joe falls into the pit at the Arches. Melanie tells Steve that she would like an engagement ring. Sonia declares to a new social worker that Pauline will not ruin Chloe's life.

Nick tells the physiotherapist to get lost. Charlie agrees to let Zoe go on holiday. Steve announces in the Vic that he and Melanie are to marry and produces a huge engagement ring. Ian gets a job in a pizza place. Melanie tells Laura she will lend her the money to buy the fish and chip shop.

Pauline is determined to keep Chloe. Little Mo is being badly treated by Trevor. Nick threatens Mark. Pat leaves Roy, and Phil tells Melanie he wants her.

It's Melanie's birthday, and Phil tells her that he is serious about her. Sonia finds out Pauline is taking her to court over custody of Chloe. Ashley seeks revenge on behalf of Nick.

Mark tells Ashley that Nick killed someone on the Square. Later, Nick asks Ashley if he'll help him get back at Mark. Phil watches a video of Ben and Lisa feels jealous.

Ian receives a letter from Kathy and winds Phil up about its contents. Nick's hold over Ashley is tested to breaking point. Lisa lashes out in frustration after Phil is reminded of his past.

Lisa suffers when Phil finds the destroyed tape and goes berserk. Nick urges Ashley to carry out his revenge. Janine walks out of her job in the café.

A visit to Chloe shows Martin the real meaning of fatherhood, Laura struggles to make a new start, and Peggy has some unexpected advice for Lisa.

Terry is horrified by Janine, and Phil reluctantly goes for a drink on his 40th birthday at Peggy's behest.

Jamie is troubled by Sonia's plans for Chloe. Sonia, Martin and Pauline are worried about the custody court case. Charlie tells Zoe the passport is sorted. Beppe worries about his son's parents evening.

On the day of the adoption hearing, Mark decides to force Martin into confronting his mother. Meanwhile, Mel is in an uncomfortable situation when Steve plans to tackle Phil.

As the Slaters celebrate Zoe's birthday, Kat unburdens a terrible secret. Meanwhile, Terry faces a ghost from his past when Janine decides to dress up for the night.

Terry, Kat and Jamie have some explaining to do following Zoe's party. Dot's benefit night for Nick isn't a success.

Jamie helps Sonia say goodbye to Chloe. Beppe is on edge after Jack is suspended. Phil threatens Garry and Barry. Lisa tells Mel that she loves Phil and wants a baby.

Melanie overhears Phil telling Peggy that he doesn't love Lisa, so decides to do something about it. Beppe is questioned by the police. Sonia and Jamie declare their love for each other.

Phil is on the alert after Lisa goes missing. Meanwhile, frustrated, Nick makes a decision about his future.

Zoe returns from holiday and is grounded. Lisa tells Mark about Melanie and Phil. Meanwhile, Roy and Peggy get closer after a few drinks.

Jamie writes an enormous card for Sonia for Valentine's Day. Ian discovers that Lisa is at Mark's but says he will keep quiet. Peggy leaves a message on Phil's answering machine to say she is off to Lanzarote. Garry takes Jamie's card and gives it to Lynne. Jamie is furious.

The Slaters are trying to work out who Kat's new man is. Beppe and Jack argue over Joe. Garry gives Zoe a driving lesson. Lisa tells the doctor that she is pregnant.

Barry is not amused as Pat returns to Albert Square. Meanwhile, Doctor Trueman tries to keep his relationship with Kat quiet.

Barry devises a dastardly plan which he hopes will determine his father's future, but Roy is having none of it. Mo tells a horrified Audrey whom her son is dating. Audrey confronts Anthony. Barry keeps Roy in the pub. Beppe picks up Pat. Roy finds out she's leaving and persuades her to stay.

Dot is annoyed because Jim forgot their date. Phil tells Mark that he can have Lisa. Zoe questions Janine and Terry's relationship. Lynne tells Kat she should get a job. Phil overhears and gives Kat a job in the Vic. Meanwhile, Dan is back on the Square.