Jung-soo, an ordinary car dealer, is on his way home with a birthday cake for his daughter. As he drives into a tunnel, an unbelievable thing happens; the tunnel collapses on him. Minutes later hi realizes taht he is completely caught in between the debris. Outside, this breaking news creates media frenzy and a thoughtless reporter even airs a live phone interview with Jung-soo, using up his mobile phone batteris. An emergency response team is immediately organized to rescue him as it becomes a national conern, the government promises full support for the rescue.