At the heart of the series was the love triangle of two vampire brothers who fell in love with a girl in 1864 and later return to modern day Mystic Falls where they discover her Doppelganger.
PCD Music Lounge is a project by Interscope Records and Doppelganger, a San Francisco-based company that focuses on creating customizable avatars and interactive environments.
The Sacrifice - Elena learned that she was the key to undoing the sun and moon curse from Katherine, another Doppelganger.
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