The Affair Series

After 18 years of marriage, Kathy Walker has settled into a pattern of comfortable routines-ferrying her two teenagers between soccer practice and piano lessons, running a film production business with her husband, Robert, and taking care of the beautiful Boston home they share. Then one day, Kathy discovers a suspicious number on her husband's phone. Six years before, Kathy accused Robert of infidelity - a charge he vehemently denied - and almost destroyed their marriage in the process. Now Kathy must decide whether to follow her suspicions and risk of losing everything, or to trust.

Over the course of one tumultuous Christmas Eve, Kathy Walker confirmed her suspicions about her husband's affair, confronted his mistress, Stephanie, and saved her marriage. She and Robert have 18 years, two teenagers, and a film production business between them - plus a bond that Kathy has no intention of giving up on. Yet though Robert is contrite, Kathy can't quite silence her doubts. While Robert reels from his wife's ultimatum and his mistress's rejection, Stephanie makes a discovery: she's pregnant. Her resolve to stay away from Robert wavers....