A story about the 20-year relationship developed between three successful actresses who only see each other at auditions and interviews. They share an intimacy about their lives and friends, but their friendship has always taken place in a competitive arena. This is one day in a callback audition for a national commercial campaign. All three actresses are in their mid-40s and each, for her own reasons, desperately needs this job. CALLBACK also explores the zany world of making commercials.