Woo Seulgi, a sharp-witted transfer student, has no interest in the power games at Chaehwa High-until she crosses paths with Yoo Jaeyi, the school's untouchable queen bee. Known for her ruthless intellect and cold demeanor, Jaeyi finds herself uncharacteristically fascinated by Seulgi's defiance. Their rivalry starts with competitive grades and cutting remarks but soon blurs into something more dangerous.

Dua perempuan yang sama-sama obsesi terhadap seorang laki-laki yang ia cintai, hingga membuat laki-laki itu merasa takut.