In the middle of a heatwave, four sisters arrive at Applecote Manor to relive their memories of hazy Cotswolds summers.<br/><br/>They find their uncle and aunt still reeling from the disappearance of their only daughter, five years before.<br/><br/>An undercurrent of dread runs through the house. Why did Audrey vanish? Who is keeping her fate secret?<br/><br/>As the sisters are lured into the mystery of their missing cousin, the stifling summer takes a shocking, deadly turn.<br/><br/>One which will leave blood on their hands, and put another girl in danger decades later . . .