In this world, people had the powers of the elements - fire, water, earth and air, but also electricity.

Kim NamJoon had been an FBI policeman for several years, going on various missions and assignments, risking his life so that people in Seoul would feel safe. As one of the 'supernaturals' he had the power to control water.

Today NamJoon had another assignment - a bag was left at the airport, it could have been anything - drugs, weapons... or even a bomb. NamJoon and a few other FBI policemen went there, now looking around the airport hall. NamJoon was supposed to question people with one of his friends and another FBI policeman was supposed to check the contents of the bag with a tracking dog