Lee Dae Ho is a single father and manager of the 120 story luxurious landmark building complex, Tower Sky in Yeouido, Seoul. He is an earnest employee liked by his colleagues and is secretly in love and secretly even wanted to marry with Seo Yoon Hee, a restaurant manager. The owner of the complex, Mr. Jo decides to hold a "White Christmas" party for tenants and VIPs on Christmas Eve, with helicopters read morecircling above with huge lights attached below them, sprinkling snow onto the party. A huge gusts of wind cause one of the helicopters to lose control and crashes into the building, causing the helicopter to leak fuel and the building catches fire. In addition, because of the faulty water sprinklers due to frozen pipes, people are stuck in the building while the fire slowly burns each exit they have.