On Christmas Eve at Tower Sky, an ultra-luxurious building complex, a White Christmas party is held to dazzle its equally high-end tenants and VIP guests. Dae-ho, the manager of the building and single father, is forced to cancel plans with his daughter Hana to work the event. His Christmas is saved when Yoon-hee, the food mall manager with a secret crush on Dae-ho, offers to babysit Hana during the party. Meanwhile, Young-ki the legendary fire chief of Yoido Station has finally promised his first holiday date night to his long suffering wife. The party is in full swing with the spectacular sight of two helicopters flying overhead just to spray snow on the partygoers and make everything perfect. When unthinkable disaster strikes, Dae-ho and Young-ki must summon all their strength and courage to save the lives of thousands but at what cost to themselves and their loved ones? Written by CJ Entertainment

An ex-special agent CHA Tae-shik's only connection to the rest of the world is a little girl, So-mi, who lives nearby. Her mother, Hyo-jeong smuggles drugs from a drug trafficking organization and entrusts Tae-shik with the product, without letting him know. The traffickers find out about her smuggling and kidnap both Hyo-jeong and So-mi. The gang promises to release them if Tae-shik makes a delivery for them, however it actually is a larger plot to eliminate a rival drug ring leader. When Hyo-jeon's disemboweled body is discovered, Tae-shik realizes that So-mi's life may also be in danger. Tae-shik becomes enraged at the prospect that So-mi may already be dead and prepares for a battle, putting his own life at risk. Written by Anonymous

Dong-Chul and Ji-Soo are a happily married couple. One day, Dong-Chul comes home to find his house in disarray and his wife is missing.

A lawyer is given the mission of revitalising a bankrupt zoo that has no animals. When he and a group of zookeepers come up with the idea to dress like animals and his fake polar bear goes viral, the zoo becomes a hit, before his law firm’s real intentions are revealed.

A teenage boy decides to change his style in order to get his high school crush to notice her.

Kyung-min lives alone in a one-room apartment. One day, she found a trace of a stranger breaking into her room and soon a mysterious murder case begins to unravel

Dr. Mi-Soo misdiagnoses a patient after she meets the woman's husband, whom she assumes to be abusive. With his wife in grave condition, the man sues the hospital. Kang-Il is a widowed firefighter who overhears the situation and when he attempts to counsel the woman's husband, he is assaulted by him. When Mi-Soo learns about the confrontation, she tries to get Kang-Il to be a character witness for her and realizes that he may also be her true love.

Yoon-Jung accidentally calls a stranger, instead of her boyfriend, and has phone sex with the unknown man. When Yoon-Jung's relationship with her boyfriend turns sour, Yoon-Jung meets Hyun-Seung, the stranger she had phone sex with.