The "biographical performance film" has just been screened at the BFI London Film Festival, and after more festival screenings in Dublin (February 28) and Glasgow (March 1 and 2), the film will be ...

Caroline Catz, who has starred in Doc Martin since it began 18 years ago, playing the Doc's wife, Louisa Ellingham, narrates this insight into the making of the drama. She says: "I want to let you in ...

When Robert realises the Doc is Dr Ellingham, he starts to probe Martin about his family ... Later when she is having a coffee with Caroline (who is trying to persuade her to do another radio show), ...

Louisa is leaving for Spain, Bert and Jennifer's engagement party goes off with a bang, and Al is hailed as a hero for saving Caroline's life.