A group of young people embark on their darkest adventure ever. What begins as curiosity about the dark tunnels beneath their apartment turns into endless terror. Little do they know... that every step they take down is a step toward their death.

Dom and Tisha, a couple looking to celebrate their first anniversary, invite their close friends to go glamping in a remote location. However, their blissful moment turns into an unexpected disaster when one of their friends, Keny, accidentally violates local customs when entering a forbidden tent. This incident triggers a series of terrifying events that threaten everyone's safety. Dom, Tisha, and their friends must face the consequences and the resulting disaster.