Twenty French urban dancers gather for a three-day rehearsal in a secluded boarding school, sharing a final dance before a night of wild revelry. As the night wears on, a mysterious force takes hold, causing the dancers to succumb to their deepest neuroses and psychoses.

Climax
A chilling winter evening becomes a descent into madness as a troupe of French dancers, initially gathered for a rehearsal, find their merriment shattered by a sinister twist: their sangria has been spiked with LSD, sending them spiraling into a surreal and terrifying nightmare.