SetagainstthebackdropofaworkingfarminruralNorthernIreland,'AnIrishGoodbye'isablackcomedyfollowingthereunionofestrangedbrothersTurlough(SeamusO’Hara)andLorcan(JamesMartin)followingtheuntimelydeathoftheirmother(MichelleFairley).
　　Underthewatchfuleyeofodd-ballparishpriestFatherO’Shea(PaddyJenkins),thebrothers’painedreunionisworsenedbythefactTurloughmustnowmakenewcarearrangementsforLorcan,whohasDownSyndrome.Butwhenthebrothersdiscoveranunfulfilledbucketlistbelongingtotheirlatemother,Lorcansensesanopportunity:he’llonlyagreetoleavethefarmonceheandTurloughhavethemselvescompletedeverysinglewishontheirmother’slist…allone-hundredofthem.