This is what I remember of the plot I read about a contemporary book I wanted to buy some years ago (about ten!) but I couldn't because it was then out of print.
The heroine goes to an island to investigate what's happening there because the firm suspects the hero, who is a scientist or similar, is selling his results to competitors. There are funny situations between the two of them, I think. That's all I remember.
Please, suggest any title that may have a similar plot just in case.
Thanks so much!