It was not because life was not good enough that Ellen Melville was crying as she sat by the window. The world, indeed, even so much of it as could be seen from her window, was extravagantly beautiful. The office of Mr. Mactavish James, Writer to the Signet, was in one of those decent grey streets that lie high on the northward slope of Edinburgh New Town, and Ellen was looking up the side-street that opened just opposite and revealed, menacing as the rattle of spears, the black rock and bastions of the Castle against the white beamless glare of the southern sky.