According to TVLine, Caroline Forbes-Salvatore (Candice King) of "The Vampire Diaries" will appear in "The Originals" Season 5 premiere.
Those were the only details the site shared, but fans can probably fill in some of the blanks themselves.
By the end of the episode, Klaus has traded one of his prized hybrids for a date with Caroline.
In 4x07 My Brother's Keeper, Caroline is at the Lockwood mansion helping to organize the Miss Mystic Falls Pageant when Klaus arrives to inquire about the date she promised him.
"There's a lot of different things floating around in my head," she says, "and the first thing I'm going to do is not write and take a vacation.
But I hope to be able to announce at the May upfront that it's returning.
Friday's series finale alluded to "another story" for character Caroline Forbes (Candice King), who ends up opening a school for supernatural children like her own — funded by none other than her former love, Klaus (Joseph Morgan).