EPISODE 6 – ALL INVOLVED
As the happy couple takes their vows, all the secrets of the previous week bubble up to the surface.
Synopsis:
As the week comes to a close and the day of the wedding arrives, everyone is adjusting to the new realities of their situations. At the ceremony, Father Vincent’s speech causes them to reflect on their own “vows”, the promises they’ve made and kept or unkept to each other. The wedding party becomes a focal point for everyone’s grievances and we discover what happened to Father Vincent.
Overview:
New comedy-drama These Sacred Vows is written and directed by award-winning Irish screenwriter John Butler. The series from RTÉ, in association with Banijay Rights and Fís Éireann/Screen Ireland, debuts on RTÉ One and RTÉ Player on Sunday 1st February 2026.
The comedy-drama opens the morning after an Irish wedding on a Spanish island, when the body of a priest is found floating face-down in the swimming pool of the young guests’ villa. Over the course of six episodes, the action jumps back in time to revisit the key events of a wild previous week, each from the perspective of a different character.
These Sacred Vows is produced by Rob Walpole and Rebecca O’Flanagan for Treasure Entertainment. Executive Producers are RTÉ’s Head of Drama David Crean and RTÉ’s Director of Acquisitions and Co-Productions Dermot Horan; Cathy Payne and Simon Cox for Banijay Rights and Kate McColgan for Fís Éireann/Screen Ireland.
These Sacred Vows is one of nine drama productions for RTÉ filmed in 2025 creating 142 hours of high-quality, homegrown storytelling across screens in Ireland. These series are part of RTÉ’s commitment to great local drama.
List of key cast:
Tom Vaughan-Lawlor (Love/Hate, Avengers: Infinity War/Endgame) as Fr. Vincent, mother-of-the-bride Sandra played byJustine Mitchell (Derry Girls, Smother), Jason O’Mara (Agents of SHIELD, The Man In The High Castle) as father-of-the-bride Jerry and India Mullen (Normal People, Say Nothing) as wedding party guest Ava. The ensemble cast also includes Adam John Richardson (The Dry), Aaron Heffernan (Brassic), Mark O’Halloran (Adam & Paul, Garage), Aoife Hinds (Dune Prophecy), comedians Shane Daniel Byrne and Catherine Bohart and introducing Isolt Caffrey as Karen.