High school student Sohee starts job training at a call center, but she faces pressure of greedy company. Detective Oh Yu-jin, who has something in common with Sohee starts to follow traces to reveal the truth.
One a bright spring day before a school trip, Semi, falls asleep on one side of the classroom, and suddenly awakens in tears over an ominous dream. She runs to Ha-eun, who is in the hospital after injuring her leg in a bicycle accident.
With high competitive spirit, a high school gangster Seung-in lets nobody to win over him. Hyun-tae is his best friend but wants to fight with nobody. One day, two boys get caught into a big fight that the local mobster is involved in, and they realize what true friends are.
Ha Chae-Yoon é uma negociadora de crise para a Agência da Polícia Metropolitana de Seul. Ela tem uma atitude calma e fria. Min Tae-Koo é um contrabandista de armas para uma organização criminosa internacional. Ele encena uma situação de refém aterrorizante e Ha Chae-Yoon tem apenas 12 horas para salvar os reféns.
