midnight
Of course the Mill hands will be there , too , in large numbers . It will be great fun . '' `` Well , my dear , '' said the doctor , `` I think they might go down for a few minutes . But be sure to be back before midnight . Remember , Patricia , you are to do exactly as your sister says . '' Then Vic said : `` I shall keep a firm hand on her , sir . '' `` Oh , you darling , '' Patricia cried , hugging her father rapturously .