They both have a good guy wronged for no reason by the bad guy who later becomes their lover.

In Kinnporsche Kinn is rich and powerful and falls for Porsche who is poor and timmid. In Laws of attraction is rich and falls for a poor guy. And it all starts with ep1. Basically they are both very similar and very different at the same time. The story line for both is a matured real life story unlike what is produced nowadays. So if you liked Kinnporsche you will like Laws of attraction and if you liked Laws of attraction you will like Kinnporsche. They are both masterpieces in their own making.