"The Affair" explores two marriages and the emotional and psychological effects of an extramarital affair. The provocative drama will be told from the male and female perspectives. Wilson plays Alison, a young woman waiting tables at a popular Hamptons diner, trying to piece her life back together in the wake of a personal tragedy. Her husband Cole, struggles to keep it all together, both with his wife and the financially-strained ranch that has been in his family for generations. Their emotionally-charged marriage becomes even more complicated when Alison begins an affair with Noah, a New York City public school teacher and aspiring novelist who is spending the summer at his in-laws' estate out on the island. Tierney plays Helen, Noah's college sweetheart, best friend, mother of his children, lover and wife of 17 years.