For years, Kate has been preoccupied with balancing family and career. Having been uninterested in sex, she is delighted to find her desires returning. Kate is concerned about her growing romantic attraction for a work colleague with the same name as her husband, Mark. Kate struggles to control her urges which go against her beliefs and concerns. She becomes even more confused when she tells her husband of her strong attraction to the other Mark. He tells her to pursue her feelings even though they are still in love with each other. Through her thoughts and imaginings, Kate discovers that she simply must give in to her irresistible desires. She then surprises and pleases herself by boldly taking the initiative.