What’s Sigourney Weaver doing in Cornwall? Apparently she is best mates (in real life) with one of the cast. Weaver plays happy-snapping tourist Beth Traywick, who is researching her family tree and possible curse in the picturesque village and has an unhealthy interest in the doctor. In tonight’s finale, the Doc isn’t seeing patients, and Morwenna is struggling to keep them at bay. One of the locals resorts to rather crude methods to cure his complaint. Star Martin Clunes has confirmed that next season will be the last.