In of The Vampire Diaries , titled "Masquerade," the tension in Mystic Falls reaches a boiling point during the Lockwood Masquerade Ball. This pivotal episode features a high-stakes plan to take down Katherine Pierce, the activation of a supernatural curse, and a shocking cliffhanger ending. The Plan to Stop Katherine
As Elena walks to her car in the parking lot, she is suddenly abducted by a masked figure , setting the stage for the introduction of the "Original" vampires. The Vampire Diaries recap: Teen Wolf Too The_vampire_diares_2x07
Bonnie casts a spell on a room to trap Katherine inside with the Salvatore brothers. In of The Vampire Diaries , titled "Masquerade,"
Katherine reveals she has a witch of her own, Lucy Bennett (Bonnie's cousin), who has magically linked Katherine to Elena. This means any physical harm inflicted on Katherine—like being staked—is simultaneously felt by Elena. The Vampire Diaries recap: Teen Wolf Too Bonnie
While Caroline manages to knock Matt out to stop the fight, Katherine’s backup plan succeeds when a girl named Sarah (also compelled) attacks Tyler with a letter opener. In self-defense, Tyler accidentally kills Sarah, officially . The Final Twist
A major subplot involves Katherine's plan to trigger Tyler Lockwood's werewolf curse.