England, 1932. Dr Isla Fenwick has little interest in marriage, until a reunion with an old friend blossoms into to something more. But Isla is determined to fulfil a long-held promise to practice medicine in India. With her fiance's blessing she sails to Calcutta to set up a midwifery clinic - promising to return within the year. There, Isla does her best to navigate a complex new world, and forms a deep connection with one of her colleagues - against all better instincts. When a desperate...