The Affair’ debuts Sunday night on Showtime, and stars Dominic West (The Wire, 300) as an author and teacher spending the summer with his family at his in-laws’ estate in Montauk on Long Island and Ruth Wilson (LutherSaving Mr. Banks) as a waitress working nearby. As the show’s title suggests, the two embark on a steamy relationship.

The more complicated part of their entanglement? Both characters are married to someone else. It’s a subtle and fine drama, featuring a series of strong performances, and not just by Wilson and West. Maura Tierney (E.R., The Good Wifeand Joshua Jackson (Dawson’s Creek, Fringe) as the jilted spouses.

Watch my review and be sure to let us know what you think about the show. Is it a keeper for you?