In Yorkshire, the Potter family are preparing to celebrate Elizabeth II's arrival on the throne. Its three youngest members, however, are preoccupied with other matters. Stephanie has grown tired of their overbearing father and resolves to marry the local curate. Anxious teenager Marcus gains a new teacher and suffers increasingly disturbing visions. Then there is Frederica. On the brink of adulthood, a love affair with a young playwright may offer the freedom she desperately desires.