In Dublin, two couples (Jim and Danielle; Yvonne and Chris) are seemingly living in marital bliss. However, when Chris's behaviour begins to change, Yvonne seeks solace in the arms of Jim, and before long they are in the midst of an affair. When a life-changing secret is later revealed, all four are forced to re-evaluate their lives, their marriages, and their friendships - but can anything be salvaged from the wreckage?
Cillian Murphy
as Jim
Eva Birthistle
as Danielle
Catherine Walker
as Yvonne
Andrew Scott
as Chris
Lara McDonnell
as Alannah
Lydia McGuinness
as Orla
Joanne Crawford
as Joan
Eva-Jane Gaffney
as Ellen
Fionn Walton
as Younger Man
Ingrid Craigie
as Ms Hynes
Frank Cannon
as Wedding Guest
Donal O'Farrell
as Robert
