Gabrielle Byndloss

With their humanity turned off, Stefan and Caroline begin wreaking havoc at Whitmore, leaving Damon to come up with a risky plan involving Lily (recurring guest star Annie Wersching). After rushing to help Jo (recurring guest star Jodi Lyn O’Keefe) 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 (recurring guest star Tristan Mays) 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.

Beth, Ruby and Annie attempt to go back to being ordinary housewives after Rio abruptly shuts down operations; Mary Pat puts a financial squeeze on them -- forcing the three women to commit another heist.

An Irish military intelligence officer claims to know the whereabouts of a lethal bomb maker whom Mac has been hunting for years.

NCIS agents Nick Torres and Jessica Knight travel to Hawai'i when they learn a key witness in one of their old cases has turned up there with crucial evidence.