When Chilton hosts its annual business fair, Rory must create and market a first-aid kit for teenagers, so she asks her newly retired grandfather, Richard, for advice. He is so thrilled to work on a business project that he decides to start a second career. Meanwhile, Lorelai causes problems for Michel when his flamboyant mother, Giselle (Janet Hubert), visits town. And Dean feels miserable when he suspects that Rory is no longer romantically interested in him.
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