Chemical Peel (2014)

A bachelorette party getaway in a remote woodland takes a sinister turn when a train derailment unleashes a toxic chemical cloud, engulfing the valley. As the group grapples with their isolation, the threat of the outside world pales in comparison to the horrors that lurk within their temporary refuge. With danger closing in from all sides, the friends must confront the chaos and fear that threatens to unravel their bonds and survival.