Kate McAllister, a successful syndicated columnist, and her husband Michael live an idyllic life along Philadelphia’s Main Line. They’ve fallen into a comfortable pattern of marital harmony, each knowing exactly what to expect from the other and their life together. Their daughter Laura, a freshman at Vassar College, and teenage son Jake are beginning that slow walk out of their lives. Ready or not, Kate’s nest is emptying and Michael is restless and ready for a change. On an ordinary November morning Kate uncovers evidence that Michael has a secret relationship with the beautiful Marilyn Campbell. Marilyn is the personification of ambition and settles for nothing less than absolute perfection in her life. The former child model and Ivy League grad is a partner in one of Center City’s most prestigious advertising agencies. Marilyn is accustomed to getting what she wants and what she wants is Michael. As Kate discovers the fault lines in her relationship, she begins to question the life she and Michael have built together. With the help of her beloved assistant, Violet, Kate is determined to find out who this other woman is and what it all means to her future. In the days leading up to Thanksgiving, Kate sets off to learn the truth – and the last thing she expects to happen – happens. As the holiday draws near, the unique cast of characters from her past to the present collides. "Lie Beside Me" takes the reader on a poignant ride through Kate’s life and unpredictable love story.