The life of doctor's daughter Molly Gibson changes gradually after her widowed father chooses to remarry. The union brings into her once-quiet life an ever-proper stepmother and flirtatious stepsister, Cynthia, while a friendship with the local squire brings about an unexpected romance.

Justine Waddellas Molly Gibson
Keeley Hawesas Cynthia Kirkpatrick
Michael Gambonas Squire Hamley
Tom Hollanderas Osborne Hamley
Anthony Howellas Roger Hamley
Bill Patersonas Mr Gibson
Francesca Annisas Mrs Hyacinth Gibson (née Kirkpatrick)
Iain Glenas Mr Preston
Barbara Flynnas Miss Browning
Deborah Findlayas Miss Phoebe
Andrew Davies