When identical twins Brittany and Chloe Pierce transfer to McKinley High, it doesn't go unnoticed by any means. Especially by Santana Lopez, Head Cheerio, HBIC, and from the wrong side of the tracks. But a run in with the new girls in the locker room leaves her more confused than anything... With a hint of fascination. There's three of them, and one of them is in the way.