It's the last months of the nineteenth century and twenty-two year old Euphemia Thorniwork, is out of step with the men's world she lives in. A mathematical research student at Oxford, looked on with suspicion by her her tutor, Professor Milton, she is forced to collaborate with fellow-student, Leo Lazarus, also under suspicion-for being Jewish. At home in London, life is under pressure-for months a toxic fog has engulfed the city each evening,...