Over the past few years, bizarre drowning accidents have been happening in a certain lake in Louisiana. They say the victims were attacked by a monster. Sam and Dean learn that, also in the past few years, the farming has been poor due to crop failure and a great number of the bees have died. They think that this is the doing of a demon and start investigating around the lake where the drowning accidents occurred. They find clues that show that it was the doing of a demon, but...