Meeting the rest of the cohort, personalities clash as the testing develops, and they begin to realise it might not be the easy money they thought it would be. When the unknown drugs begin to take effect, things go from bad to worse, but can they work together to make it through the night?

With a refreshingly un-supernatural subject, the film blends suspense and body horror with the inescapable private terrors of the human mind. Playing with ideas around irresponsibility and over-monetisation of patients since the opioid crisis in the United States and elsewhere, Big Pharma is a sinister force set against the naivety of the young volunteers.

This minimalistic debut from filmmaker Ian Hunt-Duffy adds much to the growing field of new Irish horror and is a psychological study in itself.

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For information on the full BFF23 programme visit: www.belfastfilmfestival.org