Synopsis

Three hundred years after immortal fairy Jin Li seals Demon Lord Jie Chuan, a celestial beast named Jin Li accidentally frees him and is taken to the Demon Realm for her rare power. As enemies bound by fate, their hostility slowly turns into love—until a shocking truth about Jin Li's origin threatens to tear them apart and rewrite their destinies. Where to watch A Vow in the Dark series? Click the "Watch Now" button above to stream all seasons and episodes of A Vow in the Dark in HD for free on SFlix.