In a post-apocalyptic London, young gangs and the enigmatic "Planet People" converge on ancient sites, awaiting an otherworldly force.

As Professor Quatermass searches for his missing granddaughter, he uncovers a...
Bernard Quatermass, now an elderly man, is shaken to discover his granddaughter's sudden disappearance, which sets him on a quest to expose a dark and malevolent cult operating in secret.
In a post-apocalyptic London, young gangs and the enigmatic "Planet People" converge on ancient sites, awaiting an otherworldly force.