Attention, Vampire Diaries fans: get ready for some caps, a few gowns... and many ghosts!

The CW has released the official description for the May 16 Season 4 finale and the synopsis makes it rather clear: Bonnie is about to destroy The Other Side.

How else to explain the appearance of the undead, as outlined below? Consider yourself SPOILER WARNED and read on now for a rundown of the concluding episode:

On Graduation Day, Mystic Falls is overrun with ghosts intent on settling old scores. Damon’s life is in danger after a ghostly encounter, while Matt and Rebekah join forces to battle a ghost determined to find the cure. Finally, Stefan discovers a horrifying clue to the mystery surrounding Silas.

For more on what's to come, read our exclusive interview with Claire Holt!

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.