Dr. Wes gives Katherine some disturbing news. Jeremy and Bonnie share a glimmer of hope after talking with Amara. Silas fails to keep a promise which causes Damon to turn to Tessa for help with his new plan. Stefan makes a heartbreaking confession to Damon and Elena.

Bonnie has an unsettling encounter with Luke, and learns more about his family history. The Travelers' leader, Markos, arrives in Mystic Falls.

With Homecoming around the corner, Elena invites Liam to attend a party at the corn maze with her. Instead of attending the homecoming festivities, Caroline is preoccupied after Stefan shows up unexpectedly and needs her help cleaning up a mess created by Enzo. Heeding Elena’s advice to be more social, Alaric reluctantly attends the party, but a devastating accident quickly leaves him and Jo rushing to save lives. Elsewhere, Tyler finds himself in a dangerous position when his werewolf curse is put to the test, and an emotionally embattled Stefan comes clean to Caroline about his intent to move on from Mystic Falls. Lastly, Damon and Bonnie make an important discovery that affects their quest to get back home.

With their humanity turned off, Stefan and Caroline begin wreaking havoc at Whitmore, leaving Damon to come up with a risky plan involving Lily. After rushing to help Jo treat victims of Stefan and Caroline’s latest killing spree, Elena discovers Jo is pregnant, prompting her to reevaluate her own life as a vampire. Meanwhile, when Sarah boldly turns the tables on an unsuspecting Enzo, he is forced to open up about his tragic past. Lastly, at Scull Bar, a twisted round of karaoke leaves Tyler and Matt in a dangerous situation.

As Julian and Lily throw a party to celebrate Mary Louise and Nora's anniversary, Stefan and Damon set in motion a risky plan to eliminate a new threat posed by Julian. Meanwhile, following a major revelation uncovered by Valerie, Caroline is forced to face her new reality, even as it threatens to destroy her relationship with Stefan. Finally, determined to do what's best for her family, Lily makes the most difficult decision of her life.