Kat Rivers doesn't want anything to do with Jake Marks, just his dreamy best friend Jack Shubbington. Yet, Jake won't have it; he'll do ANYTHING to get her attention... including slapping her butt when she's not looking. She won't have it, though... which leads to the ultimate butt-slapping war between guys and girls. As tensions rise between best friends and old loves, what will become of Kat and this newfound admirer of hers?