Tired of being treated like a servant in her own home and searching for self-worth, frustrated housewife, Marion Cunningham, gets a job at Al's Drive-In. But Al's teen customers start leaving when Marion's waitressing takes a back seat to motherly meddling, and an emergency meeting is called in the Fonz's office to decide her fate.

Marion Cunningham is forced to reveal Fonzie's secret plan to graduate with Richie's senior class just before Principal Conners' startling announcement at the high school prom that puts the graduation ceremony itself in jeopardy.