Min-soo is about to get married when his fiancée suddenly admits that she is allergic to dogs. Now the guy's best friend, the golden retriever Rooney, needs a new family. With the help of his cousin and social media, Min-soo starts looking for a new home for Rooney.
In the early 1980s, South Korea is torn by student protests over the lack of representation in the government. Song Woo-Seok is a successful attorney in Busan specializing in tax law. His views regarding civil liberties are changed by student activist Park Jin-woo. When Jin-Woo is brutally tortured and put on trial for his activism, Woo-seok decides to defend Jin-woo as his client.
Young-Jae (Ryu Soo-Young) was involved in a car accident two years ago. He lost his memory from the accident. Now, Young-Hae runs a used bookstore and appears like an ordinary guy, but he has a certificate for passing the bar exam in his desk. While Young-Jae was in the hospital nobody visited him and he didn't have any numbers saved in his cellphone. He has been totally isolated. One day, a parcel is delivered to Young-Jae. In the parcel, there is Young-Jae's old wallet containing a photo of a smiling woman. The parcel does not have a sender listed. Soo-A (Nam Bo-Ra) is an 18-year-old who acts likes she knows everything. She expresses to Young-Jae that she likes him. With Soo-A's help, Young-Jae tries to find the woman in the picture.
Two friends in the Korean Navy, Lee and Kim are both part of an elite diving squad, specialising in emergency deep sea salvage dives. Lee is straight-laced and takes his duties seriously, while Kim treats the Navy as a lark. When Kang, a diving instructor and Kim's former girlfriend, is posted to the unit, this creates tension between the friends as they compete for Kang's affections. The tension is heightened when Lee is promoted ahead of Kim, creating a rivalry between the two. Kim's gung-ho approach to diving, and the danger he poses for himself (and his fellow divers), leads to further problems. Matters come to a head when an incident at sea causes the sinking of a submarine, requiring the unit to attempt a dangerous salvage rescue of the sunken submarine.
In the gloomy 80s, Sang-ho is wanted by the authorities for his participation in the student movement. Parting with his colleagues, Sang-ho happens to end up in a town on the outskirts, a town he has no connection to. The place where he is in hiding is the second floor of a worn down wooden house. Spending his time idly in the room, one day, Sang-ho discovers a hole looking into the room downstairs by chance. Casually looking through the hole, Sang-ho exhales. At first, Sang-ho tries to avoid looking, out of guilt. However, before he knows it, he is drawn to the hole. Every gesture she makes is very captivating and seductive. He watches her body, feels her, and takes her into his heart.
