(Caroline hears her mother telling to her deputies to kill Stefan and Damon)
Elena: Caroline. (Stefan and Damon are on the floor. (They look at Stefan and Mason)
(Elena and Caroline are talking)
Caroline: So suddenly, she's on the running for mother of the year just when I'm trying to avoid her the most. Caroline: Matt, she threatened Matt and I'm so scared of her Elena! Elena punches him with a plank and then goes into the cell)
Liz: Elena! Elena: That's the million dollar question
(She embraces Caroline)
[Lockwood Mansion]
(Mason is leaving a message to Liz)
Mason: Hey Sheriff, its Mason Lockwood. Elena: You can't kill them. He had to tell me. Jeremy: Werewolves. Jeremy: Yeah. Katherine arrives)
Katherine: Mason? Liz: Nothing. Mason: Damon and Stefan Salvatore
Liz: That's impossible. Thanks for that. Tyler arrives)
Mason: Hey
Tyler: I almost killed a girl today
Mason: What? Tyler: Because he wants it. We have to stop her! What was that about? What you did for Caroline's mom, that's the Damon who was my friend
Damon: Hey, Stefan didn't drink the people blood if you're curious but he needs to and deep down you know that
(Stefan is in the Salvatore's library. Where is the moonstone? Working hard?
Plan: A: the Mystic Falls picnic; Q: What event does Mason tell Liz about? A: Mason Lockwood; Q: Who is working for Katherine? A: Sheriff Liz Forbes; Q: Who is the sheriff of Mystic Falls? A: vampires; Q: What are Stefan and Damon? A: Caroline; Q: Who's identity as a vampire is exposed to her mother? A: Elena's blood; Q: What does Stefan drink to gain strength? A: bond; Q: What do Jeremy and Tyler start to do? A: the curse; Q: What does Tyler learn that Jeremy knows about? A: a girl; Q: Who does Tyler almost kill? A: a second; Q: How long does Tyler feel like he wants the girl to die? A: the moonstone; Q: What does Tyler give to Mason? A: lovers; Q: What is the relationship between Mason and Katherine? Summary: At the Mystic Falls picnic, Mason Lockwood tells Sheriff Liz Forbes that Stefan and Damon are vampires. Liz and her fellow police officers shoot Stefan and Damon. Caroline and Elena reach the Salvatore's before Liz can kill them, but Caroline's identity as a vampire is exposed to her mother. Liz rejects Caroline as her daughter, and Stefan drinks Elena's blood to gain strength. Caroline confesses to Elena that Katherine had threatened to kill Matt if Caroline didn't spy on Elena and Stefan for her; Elena forgives Caroline. Jeremy and Tyler start to bond when Tyler learns that Jeremy knows about the curse. Tyler almost kills a girl, feeling for a second that he wants her to die. He then tells Mason that he wants nothing to do with the curse, and gives him the moonstone. It is revealed that Mason is working for Katherine, who wants the moonstone, and that they are lovers.