A case in which Ally and Cage defend a 39-year-old woman who had an affair with a 16 year-old boy has Ally questioning her own feelings about true love. Meanwhile, Cage explores his feelings of love and desire when he hires an attorney with the nickname "sub-zero Nelle", a woman who, he secretly confides to Ally, "makes my heart go boom".
Ally McBeal is a single, independent woman, who works at a law firm. The series follow Ally throughout her everyday life, and her struggles with dating, friends, and her job.