He's watching Mason's transformation while he's preparing everything for the full moon. Stefan is stuck in the tomb with Katherine. She takes the moonstone from Bonnie's bag)
(She gets down the stairs. She has her car's keys in her hands. I brought you this
(He gives him a bag)
Damon: Care package: candles, lanterns and lunch
(He shows him a bottle of blood)
Stefan: Give that to me and I'm just gonna have to share with her
(Damon looks at Katherine)
Damon: Yeah...
Katherine: You two are surprisingly calm considering Klaus will haunt you down and kill you if you mess with his little plan
Damon: I've been dead before. I'm Jules, a friend of Mason from Florida. When he touches it, his skin burns)
Tyler: I have water bottles in my bag, we can mix it in there
(She mixes the wolf pain in the water)
Tyler: The guy at the hardware store said was set up to resist 5000 pounds
Caroline: Is that more than a werewolf can pull? Alaric rejoins her with a drink. Elijah: Klaus's obsession has made him paranoid. So you're trying to use me to dry him out
Elijah: Well, to do that I need you to stay put and stop trying to get yourself killed
Elena: How do i know you're telling the truth? Elijah: Just like that. I make a deal, I keep a deal
Elena: How are you gonna be able to keep everybody safe? (She shows him the moonstone. They close their eyes and cast a spell. You've been marked
(She leaves. One bite! Damon embraces her)
[Jonas and Lukas's apartment]
(Luka arrives. Katherine: You want to find Klaus? Rose rejoins him)
Damon: I talked to Caroline.
Plan: A: Caroline; Q: Who helps Tyler prepare for his transformation? A: his transformation; Q: What does Tyler prepare for as the full moon approaches? A: Stefan; Q: Who asks Katherine to prove that there is good in her? A: Isobel; Q: Who does Stefan ask for help in finding Klaus? A: Klaus; Q: Who does Elena have to keep safe from? A: a spell; Q: What did Bonnie and Luka cast to destroy the moonstone? A: his father; Q: Who does Luka give the moonstone to? A: Jules; Q: Who tries to attack Damon but bites Rose's shoulder? A: Mason; Q: Who is Jules a friend of? A: Mystic Falls; Q: Where does Jules arrive looking for Mason? A: wolfsbane; Q: What is in the drink that Jules is tricked into drinking? A: Elijah; Q: Who makes a deal with Elena? A: bait; Q: What does Elijah use Elena as? A: the tomb; Q: Where is Stefan? A: the Salvatore mansion; Q: Where does Jules try to attack Damon? A: wolf form; Q: What form did Jules take to attack Damon? Summary: As the full moon approaches, Caroline helps Tyler prepare for his transformation. Stefan asks Katherine to prove that there is good in her, and she advises him to ask Isobel for help in finding Klaus. Bonnie seeks Luka's help to destroy the moonstone; they cast a spell, but Luka gives the moonstone to his father. Jules, a friend of Mason, arrives in Mystic Falls looking for him. Damon and Alaric try to trick her into having a drink mixed with wolfsbane . She reveals that she is a werewolf and tells Damon that he has been marked. Elijah makes a deal with Elena: she has to keep herself safe from Klaus (so that Elijah can use her as bait to kill Klaus) and in return, Elijah will protect her friends and family and free Stefan from the tomb. Caroline reunites with Tyler. At the Salvatore mansion, Jules, in wolf form, tries to attack Damon but instead bites Rose's shoulder, which becomes infected.