When Amy Taylor is admitted to the hospital accompanied by her sister, Gretchen, with signs of premature heart disease, Dr. Sam Griffith discovers a deeper medical mystery; Griff anxiously awaits…

When Beverly steps in for PE coach at William Penn Academy, Adam reluctantly takes her Jazzercise class. He is surprised to find enjoyment in it, until Beverly suffers an embarrassing…

With the plan in full motion, Sam, Dean, Castiel and Jack fight for the good of the common goal.