The Miracle Club is a heartwarming film that follows the story of close friends Lily (Maggie Smith), Eileen (Kathy Bates), and Dolly (Agnes O'Casey) from Ballyfermot, a hard-knock community in Dublin, Ireland. When the opportunity arises for the women to win a pilgrimage to Lourdes, France, they jump at the chance. With their priest’s help, the women win the trip and embark on a journey that will change their lives.
Once in Lourdes, the women are tasked with helping the sick and disabled pilgrims who come to bathe in the town's healing springs. As they work, they reflect on their lives and search for personal miracles. However, when they are joined by Chrissie (Laura Linney), who has returned from the U.S. after a long absence, old wounds are reopened, and the women must confront their pasts.