When an attractive female officer helicoptered aboard a submarine at sea triggers the security alarm, just who among the all-male crew is to perform the mandatory full strip-search? It turns out that two marine NCOs are required – but is this something Lieutenant Laura Lacey knows already? Clearly enjoying pulling rank (among other things) a sudden requirement for silent running," plus a minor medical emergency has Lt Lacey engaged at full stretch with her NCOs, even without her clothes. But is the ""Old Man"" aware of these goings-on aboard his vessel? It turns out that the captain has his own, old-fashioned concept of naval discipline to whip his errant female officer into line."