Harriet's acting career suffers a catastrophic setback when memory loss forces her to quit her role as Sarah Bernhardt. In turmoil, she accepts the role of Mazo de la Roche in a production written by an amateur playwright and being performed in small-town Saskatchewan. Harriet soon discovers that she was chosen for this role because she holds the key to a secret from Mazo's past. Meanwhile, the play, the role, and the town draw Harriet into the vortex of her own past.