On this episode of Supernatural…

Sam and Dean take some much needed relaxation.

But after hearing about some mysterious attacks, the brothers agree to look into it if they also take it easy.

The brothers run into Kate, a werewolf who they let go in the past. She reveals that her sister, who she turned into a werewolf, has been committing the killings.

She tries to convince them she can help her, but Sam and Dean are ready to take the sister out.

At the same time, Sam and Dean open up and have an honest conversation. Sam admits he went a bit dark side to find his brother. Dean says he was embarrassed by being a demon and that getting back into the hunt is the right way to start doing some good.

Kate after a fight with her sister, ends up killing her. She runs leaving Sam and Dean behind.