On this episode of Supernatural…

Sam and Dean take on a case involving a banshee at a retirement home.

Sam runs into a hunter named Eileen, who is deaf. The banshee attacked her family when she was young.

She teams up with Sam and Dean to take out the banshee.

Lucifer kills an angel.

Lucifer raids the bunker and chats with Dean about the connection with the Darkness.

Sam apologizes to Dean about not looking for him when he went to Purgatory. Dean tells him not to worry about it.