Tara Road portrays the tale of two women having completely different lives who switch their lives. While doing so, both of them learn a lot about each other as well as about themselves too. Ria lives a happy family life on Tara Road in Dublin until one day her husband leaves her for someone else. By a chance phone call, Ria meets Marilyn, a woman from New England. She has lost his only son and separated from her husband. The two women exchange houses for the summer with unexpected consequences. At first both dislike the fact of how well the other is getting on. But soon each of them learns that the other has a deep secret that can never be revealed. Filled with wit, warmth, heartbreaks and friendship, it makes a breezy and engaging read.