Jackie Kennedy's private life wasn't picture-perfect. When she married the dashing senator from Massachusetts with the racy reputation, Jackie had no idea what it would mean to be a political wife. Family relationships proved difficult, and her journey to motherhood was paved with heartache. She remained devoted to an unfaithful husband and under the glare of the media, she struggled to maintain her poise and dignity. Through the years one of Jack's frequent paramours became increasingly irksome, Marilyn Monroe. When the affair seeps into public knowledge, and as Marilyn spirals out of control, Jackie must decide how far she will go to fight for her marriage and to save the presidency.