Miasma

June and Michael, already tense from the problems in their marriage boiling over during a trip out, return home and find a strange smell in their house, which they trace to something yellow, fog-like, and rising in the basement. Whatever it is, it makes them lose consciousness, and when they wake, their world has become different. Threatening. Violent hallucinations tap into marital tensions and blend imperceptibly with the real world, which becomes more nightmarish as others in the house—f...