So Izzie Stevens is seeing dead people.

Specifically, one dead ex-fiance of hers. One who others heard ransacking her through her bedroom door in a recent episode of Grey's Anatomy.

We love Jeffrey Dean Morgan (Denny), but what the heck is going on with Izzie (Katherine Heigl)? This story line raises so many questions, we haven't even known where to start. Until this afternoon, that is. Her situation has been revealed.

Follow the link for the deets on the mother of all Grey's Anatomy spoilers ...

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.