It's a reunion of Original vampires. Isn't it nice to see Elijah and Klaus together again?
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Elijah is one of the original vampires in 'The Vampire Diaries'
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Vampire Diaries Quotes

You want a love that consumes you. You want passion and adventure, and even a little danger... I want you to get everything you're looking for. But for right now, I want you to forget that this happened. Can't have people knowing I'm in town yet. Goodnight, Elena.

Damon

Hey, Blondie. Today isn't the worst day of your life. Today and tomorrow, it's a cakewalk. There'll be people around you day in and day out like they're afraid to leave you alone. The worst day? That's next week when there's nothing but quiet. Just a heads up.

Damon