8. 162 Candles

Complete story — includes the ending

Lexi, a 350-year-old vampire and Stefan's best friend, arrives in Mystic Falls to celebrate his birthday and encourages Elena to consider rekindling her relationship with Stefan. Meanwhile, Jeremy quits drugs and resumes schoolwork after Damon alters his memories of Vicki's death. Damon gives Sheriff Forbes a box of vervain and earns her trust, prompting her to reveal the identities of local vampire hunters. Later, Damon frames Lexi for a local boy’s death by manipulating the memories of the boy's girlfriend. Lexi is arrested and, outside the bar, Damon kills her before she can expose him. Stefan, enraged by her death, tells Elena she was right to end their relationship and attacks Damon, but stops short of killing him after acknowledging that Damon recently saved his life. Bonnie, now wearing the amber crystal, has a disturbing nightmare and awakens in a cemetery.