Despite being busy with a new exhibition, artist Rose Trevelyan is always there to offer her friends support if they need her; lately, it seems as though everyone has a problem to share. There's Doreen who is worried about how her neighbour, Nathan Brown, is coping after his mother's death; Eva who is suspicious about her boyfriend's whereabouts; and Barry, who is concerned about his new employee. On top of that, Rose's star pupil Joyce is fretting about her teenage daughter and her friends. Meanwhile, Rose's sometime boyfriend DI Jack Pearce is investigating a series of burglaries and a spate of vicious attacks on young women in the area. As secrets get shared and the crimes become more serious, should Rose betray her friends' confidences or will Jack just accuse her of interfering? Killed in Cornwall is an intriguing and emotional mystery set against the beautiful Cornish countryside.