Following a stress-induced breakdown after producing a bestseller, writer Paula Martin (Anna Brecon) retreats to Bidford House, her childhood holiday home, to get away from it all and begin work on her next novel. However, the old house is full of secrets and mystery that distract and disturb the fragile Paula. She calls her agent for help to take the pressure off, and Linda (Jane March) arrives, appearing to be a godsend who can help get Paula back on track.
But all is not as it seems. Is Linda a serial killer who's been stalking Paula for years? With slimy journalist Robert Gainer (Billy Murray) seemingly on a mission to ruin Paula with a story of her breakdown, it's left to her analyst, Leo Fox (Colin Salmon), to race to her rescue ... but will he arrive in time?