The National Intelligence Bureau (NIB) trains and deploys highly skilled agents to protect the citizens of Korea from internal and external crimes. Within the NIB is a secret branch known only to those special agents who belong to it - The Sector. These agents are an elite force ensuring that justice is served and safety for all. After two years o

Kyuhyun likes living on his own. Sungmin likes being with Kyuhyun. Kyuhyun has an apartment. Sungmin is always there. Unfortunately, they cannot agree on toothpaste location.

After the death of their parents, brothers Kangin, Donghae and Kyuhyun are placed in the care of their mother's sister. Being the chancellor of SM University in Ulsan, their aunt enrolls them all into the school to continue their education. Mysterious, quiet and sinfully handsome - everyone wants to get to know the three brothers. Unfortunately, each broth