Karen, Will and the twins enjoy a luxury weekend away in the tranquil Cheshire forest. Amidst a freak heatwave, they leave a door open to the elements that night. Mistake number one... The events that follow turn their lives upside down and change things forever. Do they overcome that bank holiday weekend? Can they put their lives back together? Will they survive? Last Bank Holiday is a gripping psychological thriller which will keep you guessing until the very end.