Official key art. Rights belong to the respective rights holders.
Explore the official series page Availability and pricing vary by region.CleddauA series brief.
2024 / Welsh-language crime drama / Created by Eryl Huw Phillips
A body in a river brings detective Ffion and her team into a murder inquiry.
What is Cleddau about?
After a woman’s body is found in a river, detective Ffion and her team investigate whether her death was suicide or murder. Set in west Wales, the series builds its crime story around a local investigation and the people tasked with establishing what happened.
Five things to know.
The starting situation
The discovery of a body starts an inquiry for detective Ffion and her colleagues.
The world around it
The Welsh-language drama is set in the west Wales community of Ceredigion, where place and local relationships shape the case.
The central pressure
The team must assess competing possibilities while working through an investigation that carries personal and professional pressure.
The creative approach
S4C’s crime drama stars Rhian Blythe and grew from a collaboration between Welsh production teams.
Before episode one
This introduction stays with the initial case question and does not disclose its answer.
A thought to take with you.
The first task is not simply finding a suspect; it is deciding what kind of death the team is investigating. That uncertainty anchors the series.
Is it your kind of series?
Try it for a Welsh-language police drama and a regional mystery setting. Expect an ensemble investigation with local texture.
Three ideas to take with you.
- A place can shape how an investigation is experienced.
- A case begins with uncertainty, not a settled explanation.
- A team’s work depends on testing more than one possibility.
Before you press play.
What is Cleddau about?
After a woman’s body is found in a river, detective Ffion and her team investigate whether her death was suicide or murder. Set in west Wales, the series builds its crime story around a local investigation and the people tasked with establishing what happened.
Who is behind Cleddau?
Created by Eryl Huw Phillips. S4C’s crime drama stars Rhian Blythe and grew from a collaboration between Welsh production teams.
What kind of series is Cleddau?
Welsh-language crime drama. Try it for a Welsh-language police drama and a regional mystery setting. Expect an ensemble investigation with local texture.
Sources & scope
This AI-assisted brief draws on the linked descriptions and production information. Facts and interpretation are separated; it does not claim personal viewing or independent expert review.
Source details checked October 7, 2026. Suggest a correction · Our editorial approach