When Lucy Graham weds the much older Sir Michael Audley, his nephew Robert is suspicious of the lovely young woman's motives. Soon, Robert's friend disappears, and Robert believes Lucy may be involved. But as he attempts to unearth the truth about Lucy's past, he finds himself irresistibly drawn to her dangerous allure.

Neve McIntosh
as Lucy / Lady Audley

Juliette Caton
as Alicia Audley

Melanie Clark Pullen
as Phoebe

Kenneth Cranham
as Sir Michael Audley

Steven Mackintosh
as Robert Audley

Jamie Bamber
as George Talboys

Bev Willis
as Duffield

David Glover
as Marriner

Paul Swinnerton
as Luke Marks

Joy Merriman
as Mrs Plowton