Clayton "Clay" Haas is Aaron and Sean Hotchner younger half brother. He is 23 year old FBI Agent. He has the same mom as his brothers but different fathers. Shelby Wyatt is 21 youngest female in the BAU but work in a different floor then Clay. But what happens when Hotchner ask for her on their case? What happens when he offer a position along with Gideon on their team? She also is Clay ex girlfriend who he will finally see again on the case?