The Best Episodes Written By Sarah Phelps

Everything comes to a head as Cassie confronts Lexie’s killer and Rob has a breakthrough about Katy’s murder.

Pip starts his new life as a gentleman in London, quickly acquiring expensive tastes and mounting debts. He falls deeper in love with Estella and escorts her around town. As his twenty-first birthday approaches, Pip waits for his benefactor and their intentions to be revealed.

Pip wants nothing to do with Magwitch and rushes to confront Miss Havisham. At Satis House he learns that Estella may be lost to him. Back in London, Wemmick warns him that the penalty for Magwitch's return from Australia will be hanging. Now Pip must help him escape.

With the ABC killer still on the loose, Hercule realises that only he holds the key to the murders. He faces a race against time to stop the bloodbath.

Putting aside gnawing doubts about her marriage, Margaret continues with her plan to secure her claim to Inveraray Castle.

Battlelines are drawn as the Duke and Duchess of Argyll enter into a bloody separation, all played out in the white-hot glare of a ravenous press.

A terrifying encounter on the marshes with an escaped convict and a summons from the mysterious Miss Havisham change orphan Pip's life forever. He dares to believe he might be destined for a future beyond the marshes —a future linked to that of the beautiful Estella.

Having endured a miserable and brutal childhood, young Oliver is sold to an undertaker, where his mistreatment forces him to escape to London. Once in the capital, he is welcomed into the seductive world of pick-pocketing by the criminal underworld and, before long, is in deep trouble with the law.

Fagin meets Monks and is promised handsome payment if he brings about Oliver's death. Fagin reasons, however, that someone may pay to have him returned safely.

Sikes escapes back to London with a badly wounded Oliver, and Nancy nurses him, determined to save his life.

Dodger discovers he is betrayed by Nancy, putting her in grave danger.

Sikes goes on the run with Oliver, but his journey is interrupted. Brownlow and the police search Fagin's den. Monks returns to London, but upon his arrival home, he finds Brownlow, Rose, and the police waiting for him.

Heiress Rachel Argyll is murdered at her family estate. Eighteen months later, as her widower prepares to marry again, the identity of the murderer is thrown in doubt.

Calgary is determined to prove that Jack died an innocent man, but his alibi puts him in perilous danger of his own.

Despite Rob’s promise to Cassie that they won’t investigate Operation Vestal, they make a dark bargain to keep the secret and carry on working on the cases.

As Cassie struggles to make sense of Lexie’s life and death, we delve into her own difficult past. Meanwhile, Rob’s past finally yields some results in the Katy investigation.

Rob makes costly mistakes as Cassie immerses herself in the art of being Lexie.

It's 1933, and an older and greyer Hercule Poirot receives letters threatening murder. When no-one listens to his appeals, the once great detective must take matters into his own hands.

The ABC killer sends more letters promising to spill blood. Hercule's past, integrity and identity come into question while he fights a rising tide of xenophobia.

Cut down to half their original number, the guests of Soldier Island are in danger of losing their minds to fear and anxiety.

The village of Pagford is left in shock when a local resident dies suddenly. Pagford is seemingly an English idyll, but what lies behind the pretty façade is a community at war. The empty seat left on the parish council soon becomes the catalyst for the biggest battle the village has yet seen.

The parish council election approaches and Pagford is on tenterhooks awaiting the next post from 'the Ghost of Barry Fairbrother'. Who is the Ghost, and what will they say? Is anyone in the village safe from humiliation? As tensions rise, the finger of suspicion points in many directions.

The parish council election is imminent and tensions rise in Pagford and each side steps up their campaign.

All of Knocknaree mourns as Katy Devlin is laid to rest, while the pressure on Rob and Cassie mounts as there are still no arrests in the case.

In the summer of 2006 detectives Rob Reilly and Cassie Maddox are sent to investigate a child’s murder. They find a community caught between the old Ireland and the new.