Filled with anger and regret after her alcoholic husband comes home and admits to having an affair, Lilly Conroy decides to take her son John to spend the summer at her family's beach house in the town of Mattapoisett, Massachusetts near Cape Cod. There, she hopes to muster the strength to reinvent herself and focus on building a new life away from a marriage filled with heartache and disappointment. As the summer unfolds, the heat is on. Old flames are reignited, but what is found could be lost again... As passion burns, a secret looms that could ultimately tear two people apart... But will it?