Bangtan and The Jackals (girl team) are the top teams of ISA, a very influential secret agency built on a centuries old rule system. One of those rules is that the boys and the girls working for the agency are not allowed to see each other. Only the codename is known, if they are skilled enough, but not their appearance. What would happen if the two teams meet each other unexpectedly? Would they be able to discover their true identities?...