Credit: Alberto E. Rodriguez/Getty Images Photo: Claire Holt at MIU MIU Presents Lucrecia Martel's 'Muta' on July 19, 2011

Flashback! In Season 3, Episode 3, “The End of the Affair,” The Vampire Diaries does what it does best and takes us back in time — to 1920s Chicago. When bad boys Klaus (Joseph Morgan) and Stefan (Paul Wesley) travel to the Windy City, Stefan runs into an old vampire flame (Claire Holt, Pretty Little Liars) who clearly never got over the coiffed cutie. This particular run-in takes the younger Salvatore back to the roaring ‘20s, where we see an agonizing part of his past play out in flashback. Uh oh!

Back in the 21st century, big bro Damon (Ian Somerhalder) gets a lead from somebody unlikely about Klaus and Stefan’s whereabouts, and he and Elena waste no time pursuing the dangerous duo. Meanwhile, werewolf Tyler (Michael Trevino) becomes concerned for vamp Caroline (Candice Accola), and seeks out her  mama, Sheriff Forbes, for help. Oy. We know they’re blood, but Mama Forbes is still the local supernatural avenger!

Read the full synopsis below!

“THE VAMPIRE DIARIES” — (8:00-9:00 p.m. ET) “The End of The Affair”

THE ROARING TWENTIES — Klaus (Joseph Morgan) and Stefan (Paul Wesley) arrive in Chicago, where Stefan is reunited with a vampire (guest star Claire Holt, “Pretty Little Liars”) who hasn’t really moved on from her interest in him decades earlier.  In a flashback to Chicago in the 1920s, Stefan comes face-to-face with a shocking chapter from his wild past.  After Damon (Ian Somerhalder) gets a tip on Stefan and Klaus’ whereabouts from an unexpected source, he and Elena (Nina Dobrev) follow their trail.  Back in Mystic Falls, Tyler is concerned about Caroline and turns to Sheriff Forbes (guest star Marguerite MacIntyre) for help. Chris Grismer directed the episode written by Caroline Dries (#303).