Sahib Bibi Aur Ghulam (1962)
A young man named Bhoot Nath (Guru Dutt) is hired as a servant to a very wealthy zamindar (Rehman). The zamindar is married to a beautiful woman (Meena Kumari), but every night frequents brothels and dancing ladies. Bhoot Nath finds out that his wife is a very lonely woman, and they both come close, and soon form a platonic relationship. This enables Bhoot Nath to see the life of his mistress through her perspective, and the life she is doomed to live.