Mel grapples with how to honor Mark ahead of the anniversary of his death. Jack’s stress leads him to bad decisions. Hope apologizes with pie.

Jack’s war memories haunt him when he reunites with his Marine friends. Mel struggles to handle conflict with her sister-in-law.

Castiel tells Sam and Dean that he’s decided to become a hunter like them. Sam and Dean aren’t sold on the idea but agree to investigate a case Cas found…