Her undeniable comic gifts brought her breakout popularity as one of "SNL"'s inaugural regulars, and her battle with ovarian cancer would take her at a tragically young age. The legacy of laughter that Gilda Radner left behind is memorably celebrated in this documentary effort that draws upon access to her own diary, as the trials of her upbringing and her struggles with fame and health are remarkably drawn; colleagues and celebrity fans share their insights as well.