Synopsis：Lee Jung Soo (Ha Jung Woo), an auto salesman, is driving home to celebrate his daughter's birthday when the Hado tunnel suddenly collapses around him. Miraculously surviving the catastrophic accident, he becomes trapped in the tunnel's wreckage. Dae Kyung (Oh Dal Soo), the head of the accident response team, and Lee's wife Se Hyun (Bae Doo Na) communicate with him, discovering he may not be the only survivor. As the rescue mission continues, political pressures mount to halt the search, threatening to compromise the ongoing tunnel construction. With time running out and hope dwindling, Lee Jung Soo must fight for survival amid the crushing concrete and rubble. This is a 2016 South Korean disaster drama directed by Kim Seong Hun.