The Guest: BBC’s Latest Welsh Drama Promises to be an Addictive Psychological Thriller

A New Must-Watch Drama Arrives on BBC

BBC’s latest thriller ‘The Guest’ is set to premiere on BBC One and BBC iPlayer on September 1, 2025, starring acclaimed actresses Eve Myles and Gabrielle Creevy.

Plot and Premise

The series follows a compelling narrative where ‘a cleaner becomes captivated by her wealthy employer’s charismatic influence. As their intense friendship grows and secrets emerge, their relationship spirals into a dangerous psychological game where nothing is quite what it seems.’

At its core, the story revolves around the toxic relationship between Fran, a successful business owner, and her employee, Ria. Ria, who has never had the opportunity to consider her future aspirations, takes a cleaning job working for Fran, a seemingly confident and successful woman.

Production and Setting

The series is written, created and executive produced by Matthew Barry, as a co-production between BBC Cymru Wales and Quay Street Productions for BBC One. Filming took place in and around Cardiff, Wales, with the production receiving Welsh Government support via Creative Wales.

Release Format

All four episodes of The Guest will be available for streaming on BBC iPlayer from 6am on Monday, September 01, 2025, with episodes airing weekly on BBC One and BBC One Wales each Monday from 9pm.

Critical Reception

Early reviews praise the series for its strong acting, engaging storytelling, cinematography, and musical score. Eve Myles and Gabrielle Creevy have been particularly lauded for their performances as the two leads, with their intriguing relationship dynamic driving the narrative forward.

Lindsay Salt, Director of BBC Drama, has described The Guest as ‘a hugely entertaining, deftly plotted thriller that will have viewers gripped,’ noting it as another successful Welsh-set drama following previous hits.