Madeline Moore arrives from the South determined to enter New York’s exclusive socialite world. Jacob Dyckman, the city’s most notorious plus-one, reinvents her with a fictional persona—and together they rocket to the top. When reigning it-girl Mitsey Templeton exposes Madeline as a fraud, the friendship collapses. Madeline returns with a choice: betray another woman to regain her place, or overturn the rules that made all of them disposable.