Roger of the Raj (1979)

On the eve of the Great War Roger Bartlesham's aristocratic parents are firm believers in the Empire though Roger, encouraged by socialist Latin teacher Mr Hopper,dreams of equality and opening a tea shop with his sweet-heart Miranda. After a sojourn in India where various officers shoot themselves to atone for breaches in etiquette Roger gets caught up in Hopper's attempt to bring the Russian revolution to England but is rescued from the chaos by Miranda in time for them to pursue their dream.