Dorothy, now an elderly woman haunted by her past, tries to warn her granddaughter Emily before dark forces pull her into Oz, a once familiar land now twisted by horrors.
The worst is yet to come, despite Joel's belief that his troubles are finished after getting his mother in a care facility for dementia. It goes deeply into issues of love, friendship, and the fear that everyone has of losing themselves.
末日丧钟再度敲响，带领观众直视人性毁灭的炼狱，感染者的威胁和幸存人类的邪恶。
影片根据真实事件改编。
