On this episode of Supernatural…
Sam and Dean continue to search for Kevin.
Dean gets a call from Benny, who has gone to hunt and kill his original vampire nest. His maker killed him.
Dean aids him on his quest.
Benny discovers that his love, Andrea, had been turned by his maker. After killing of the nest and Andrea pleading with Benny to stay. Benny shakes her off and Dean kills her.
Sam tries hard to not think about Amelia but he flashes back to getting to know her and his more "normal" life.
After Dean requests Sam's help to kill the vampire nest, Sam meets Benny for the first time. Sam realizes he is a vampire but Dean shakes his head to not kill him.