The tycoon

All Charles Mallory wants is a secretary who won't burst into tears at the first sign of trouble and who won't make the mistake of falling in love with him. Unfortunately, the good–looking tycoon does seem to have a strange effect on his female staff. He needs an assistant who's Mallory–proof!

and the temp!

His childhood friend Barbara seems perfect. Barbara knows him too well to ever make the mistake of falling for him. Only, working closely with Barbara is having a strange effect on Charles. Could it be that Charles is in danger of falling for the one secretary who's immune to his charms?