In Chalaili, an Indian hill station stranded above the clouds, where the trees and flowers are of ravishing hues and the annual monsoon hits with monumental force, a small enclave of British expatriates cling to the glory of a fast-fading empire. Into this faltering world come two starkly different but memorable women: the larger-than-life Mrs Banerjee, with her armoury of gold bangles and saris in thrilling colours, and Lydia Rushmore, a timid Surrey school ...