Bonnie and Elena try to track down the former's mother in this clip from The Vampire Diaries. It's courtesy of the episode "The Ties That Bind."
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Blood is thicker than death? Yikes. This Canadian promo for "The Ties That Bind" makes it clear that this Vampire Diaries episode will focus on family.
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Bonnie has an idea of who can help open the locked coffin: her mother. Prepare to meet her on this episode of The Vampire Diaries.
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The Vampire Diaries Season 3 Episode 12 Quotes

Damon: What's her damage?
Alarc: No damage.
Damon: Come on, Ric. It's a fact of life. A girl that smart, that hot? Damaged.

Bonnie: What's going on with you two?
Damon: We kissed. Now it's weird.