Synopsis: A mother contracts an unusual illness that causes her to rise very gradually into the air.
剧情简介：一个母亲染上了一种奇怪的疾病，这种病让她逐渐地升上空中。

Farming husband and wife Samuel and Judith Covey have been visited by William Bloor, a Foxfinder, who has arrived to investigate a suspected contamination. Foxfinders are trained from a young age in rooting out ‘the Beast’ that threatens man’s civilisation. In their search for this deadly enemy that unsettles the mind and kills children, we see the community descend into chaos, with betrayal, delusional and guilt at play, the course of the evening changes their lives forever.