Coherence (2013) is a mind-bending sci-fi thriller where a dinner party unravels into paranoia and chaos as a cosmic anomaly fractures reality. Shot with improvisational style and minimal budget, it blends psychological tension, alternate realities, and quantum sci-fi concepts into one of the most acclaimed indie science fiction thrillers of the decade.

Från IMDB:
Strange things begin to happen when a group of friends gather for a dinner party on an evening when a comet is passing overhead.