Cert 15
88 mins
BBFC advice: Strong language, scary scenes, drug references
It requires a special type of skill to direct a sci-fi thriller which is confined to one room and yet, director James Byrkit, has cracked it here.
Coherence may be weird but it has, rightly, received plaudits from critics for its originality and the way in which it ratchets up tension.
But audiences will need to keep their wits about them because its plot is deliberately complex.
It surrounds a group of friends who are having a dinner party on the same evening a comet is, coincidentally, passing over.
Their conversation alights on historical unexplained events which had happened under the path of a comet.
Soon afterwards, there is a power cut in the neighbourhood and, in the darkness, tensions begin to mount.
These are magnified when there are odd happenings which make the guests not only question each other but also themselves.
Emily Baldoni and Maury Sterling are among the party-goers and the exploration of their relationship while under duress is fascinating.
Coherence is a curious, enthralling, claustrophobic and often dramatic thriller. As Byrkit intends, it has echoes of the Twilight Zone TV series.
I will not write any more about it for fear of diluting its power.
Director James Byrkit: "Having just a living room to work with makes us think about Twilight Zone episodes which were very contained but still had a cosmic significance to them."
Reasons to watch: Original, tense drama.
Reasons to avoid: Plot which isn't always easy to follow
Laughs: none
Jumps: none
Vomit: none
Nudity: none
Overall rating: 7.5/10