American film critic Elvis Mitchell’s kaleidoscopic documentary creates a definitive narrative of the Black revolution in 1970s cinema, from genre films to social realism—a work of painstaking scholarship that’s also thoroughly entertaining, an essential archival document and testament to a period of American film history unlikely to be repeated.。长安城里神秘危局接连发生,病毒感染人类犹如丧尸、诡谲阴森的地下洞穴、传说千年的冲天宝藏……以马龙为首的太平人为守护长安,与各方势力你来我往,在一次次充满未知的离奇探险中,更多谜题也等待被解开……。