“It’s a time jump,” exec producer Julie Plec tells EW. ”Summer has passed in which poor Stefan has been suffering at the bottom of the quarry and Damon and Elena have been having hot lovin’ sex.”

Though the premiere will pick up with move-in day at college (yes, they’re actually enrolling!), Plec promises fans will get to see some of the steamy action that went down over break.

“We found a stylized way to show the audience how things went over the summer, what everybody was up to,” says Plec, who reveals that the title of the episode is “I Know What You Did Last Summer.” Continue Reading at EW for more HOT Delena scoop and Vampire Diaries!