Ophedelia, the kingdom's famed "Silver Knight," returns from war a hero only to be forced to marry the jealous king who has long feared her popularity. Instead, she proposes to marry the king's brother, Prince Aiden, but behind their vows lies a secret: Ophedelia is plotting a coup, while Aiden is out to expose her treason. (Source: Manta)

Official spinoff story based on the Korean drama Abyss.

**Original Webtoon:** [MComics](https://www.mcomics.co.kr/webtoonComic/8346), [KakaoPage](https://page.kakao.com/content/57358882), [Ridibooks](https://ridibooks.com/books/845026200), [Naver Series](https://series.naver.com/comic/detail.series?productNo=6312962), [MrBlue](https://www.mrblue.com/comic/C000048588), [Lezhin](https://www.lezhin.com/ko/comic/lvnine), [Mootoon](https://www.mootoon.co.kr/comic/moo_list.mg?tcode=5s7b), [Onestory](https://onestory.co.kr/detail/H040981109), [Nate](https://toonnbook.nate.com/detail/H040981109)