the hour of twelve
`` The condition is made , '' said I : `` remember , it only holds good if Montreuil 's person is placed in our power . Now explain . '' `` This night , then , '' answered Desmarais , `` Montreuil proposes to leave England by means of a French privateer , or pirate , if that word please you better . Exactly at the hour of twelve , he will meet some of the sailors upon the seashore , by the Castle Cave ; thence they proceed in boats to the islet , off which the pirate 's vessel awaits them . If you would seize Montreuil , you must provide a force adequate to conquer the companions he will meet . The rest is with you ; my part is fulfilled . '' `` Remember !