Sheila Redden, a devoted mother and reserved wife of a busy Belfast surgeon, is awaiting the arrival of her husband at a Paris hotel. In a matter of days, they'll be celebrating a second honeymoon after sixteen years of marriage. But Sheila never could've imagined the chance encounter with Tom, a handsome and attentive American student-or that in one inexplicable moment, she'd abandon everything she knows to disappear into the unknown with an irresistible stranger. It's more than a sexual awakening. It's a chance to see her ordinary life from a distance-her dutiful role as mother and wife, her sacrifices, her lost sense of self, and the realization that she's already been vanishing little by little for quite some time. All the while, Sheila's concerned husband and brother are retracing her steps, following her on a cathartic and devastating journey that's far from over.