Dead and Buried - full cast, episodes, plot and filming locations for BBC series

The BBC will air it's new psychological thriller Dead and Buried this week, following a young mum who bumps into the man responsible for killing her brother. The series starts on Sunday, November 17 and will see the young mum, Cathy, set out on a campaign of psychological warfare to destroy the man who ruined her life.

Over the course of the series, Cathy creates an online alias in order to befriend Michael, and begins to stalk him on social media. The series explores the themes of 'cyclical violence and forgiveness' over the course of it's four episodes.

Dead And Buried is set along the border between Northern Ireland and the Republic of Ireland, with the action moving back and forth. Here's everything you need to know about the BBC's new thriller Dead and Buried.

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What is the plot of Dead and Buried?

Dead and Buried sees a young mum comes face-to-face with the man who killed her brother 20 years ago. Unaware he had been released from prison Cathy - a school teacher - hires a solicitor, eventually discovering the killer had been released years ago.

She then goes about trying to destroy the man who ruined her life through a campaign of psychological warfare. Ahead of the show's release, the BBC said: "When out shopping with her son, young mum Cathy McDaid (Annabel Scholey) bumps into Michael McAllister (Colin Morgan), the man responsible for killing her brother Terry 20 years ago. Unaware he had been released from prison and is living in the same town, Cathy pays her solicitor a visit and discovers the killer had been released years ago.

"Taking to social media, Cathy uncovers the successful career and family life Michael has forged for himself since his early release from prison, while she grieved for her brother. Unable to comprehend that he's now a free man, teacher Cathy goes against the advice of her best friend Sally Bowman (Kerri Quinn) and creates an online alias in order to befriend Michael, instigating a clandestine relationship with the man she despises and embarking on a campaign of harassment and deceit.

"As Cathy’s obsession grows, dark fantasies of revenge and reality blur as she sets out on a campaign of psychological warfare to destroy Michael’s life. The series uncovers how far Cathy is prepared to go to seek revenge for her brother’s death and the catastrophic impact it has on all their lives."

How many episodes of Dead and Buried are there?

Dead and Buried is a four-part psychological thriller. The first episode will air on Sunday, November 17 at 10:30pm on BBC One. If you can't wait, the series is currently available on BBC iPlayer having previously aired in Northern Ireland in September.

Who is in the cast of Dead and Buried?

Dead and Buried stars Annabel Scholey as Caty McDaid. Annabel has previously featured in The Serial Killer's Wife and The Salisbury Poisonings. She stars alongside Colin Morgan who plays Michael McAllister, who found fames on Humans, Belfast and Merlin.

Here is the cast in full:

• Annabel Scholey as Cathy McDaid
• Colin Morgan as Michael McAllister
• Waj Ali as Raymie McDaid
• Niamh Walsh - Lena McAllister
• Kerri Quinn - Sally Bowman
• Micheal Hanna - Andrew McAllister
• Owen Roe - Jack Sullivan
• Joanne Crawford - Dr. Kennedy
• Ruairí Leneghan - Gary Bowman
• Mohammed Zain Siddiqui - Sasha McDaid

Where was Dead and Buried filmed?

Dead and Buried is set on the Derry/Donegal border with the drama moving back and forth between these areas. Many scenes were filmed in both Northern Ireland and locations across Ireland, namely in Dublin and Derry.