Question: What’s this I’m hearing about a big Vampire Diaries death? Any hints about the victim?—Clay
Ausiello: Stop asking yourself who dies and start asking yourself who does the killing. That’s what people will be talking about the following morning at the watercooler on line at Starbucks.
Question: I’ll take any Vampire Diaries spoiler you’ve got. I’m not picky. —Daniel
Ausiello: A flashback in this season’s fourth episode unearths a “big secret that will change the course of the season for everybody,” teases EP Julie Plec.
Source - TV Line



