Waltz of the Toreadors (1962)

This is the end of a glorious military career: General Leo Fitzjohn retires to his Sussex manor where he will write his memoirs. Unfortunately, his private life is a disaster: a confirmed womanizer, Leo has infuriated his wife Emily, now a shrewish and hypochondriac woman, all the more bitter as she still loves him. The General has two plain-looking daughters he dislikes and an attractive French mistress, Ghislaine, with whom he has had a platonic affair for seventeen years. When Ghislaine resurfaces, determined to complete her love with him and to get rid of Emily, Leo is at a loss what to do...