Dexter uses his 20 year high school reunion as a chance to hunt the prom king. It's going fine until he is called to the scene of a vicious faith-based murder leaving him with questions about what he wants to pass on to Harrison. Debra who is finally in a good place with her relationship with Quinn and her job becomes an unexpected hero.
A spat with Vinnie allows Doogie to learn about the power of laughter when he runs into a patient with serious kidney disease and a boss who works for stooges.
Doogie struggles making a decision on how to care for a young patient.