剧情介绍：
Onyx joins a group of fellow occultists to attend a dark ritual at the mansion of their idol, Bartok. Suspecting Bartok’s nefarious intentions, Onyx is suddenly immersed in a world of monsters, mystery, and mayhem.
源自：https://festival.sundance.org/program/film/638a1755d406b222a0f2cab2
