Tunnel 3D) is a 2014 South Korean horror film directed by Park Gyu-taek.

[1] A group of friends are invited to the launch party of a luxury resort.

A strange man barges in, and scares everyone away by declaring that they will all be killed by a curse.

They return to the resort to find the strange man watching them, and accidentally end up killing him.

They decide to dispose of the body in a coal mine, but get trapped inside the dark tunnels facing the buried horrors within.