Ten of America's elite professional bakers gather to begin the first in a series of baking challenges designed to test their limits. Host Carla Hall announces the Southern dessert theme and the first master challenge from Kentucky: baking a May Day PieCaken using bourbon as the featured flavor, of course. The bakers in the elimination bake-off have to create a unique dessert using all the elements of Florida's Key lime pie. After judging and deliberation with judges Jason Smith and Gesine Prado, Carla announces which baker is heading home.