Doc Martin Season 5 Episode 8

Mrs Tishell decides she can no longer hide her love for Martin and, fuelled by a cocktail of drugs, takes drastic action. While James Henry is in her care, she boards a bus out of Portwenn and leaves a message for Dr Ellingham to `meet them at the castle’, forcing Martin, Louisa, Ruth and PC Penhale to mount a desperate search for the pair.