Middle-aged spinster Rachel Innes takes a six month lease on a large country mansion while her town house is being restored... Soon the house is threatened by strange and mysterious noises and people begin to disappear... Rachel and her adopted family go in search of the truth as the heavy gothic atmosphere gathers around them... A delightful golden age mystery with a keen sense of humour, The Circular Staircase has been adapted for stage and screen on several occasions.