my name is kwon yuri I have 4 best friends we are all spies when I was young my parents died because of Changmin and yunho I later learned that my mom was a spy under sm secret agency of spies their leader was my uncbutler soo man but he died because of Changmin and yunho again Changmin and yunho was his friends before but Changmin fell in love with my mom and yunho fell in love with my aunt kwon boa who is now incharge of sm agency but my aunt and mom didn't like them back so my uncle was forced to fight with Changmin and yunho because they threatened boa if boa didn't marry yunho my mom and boa would die but it was no use soo man died because it was 2vs1 only boa was able to escape and bring me and sunny, soo man's daughter to go back home and we rebuilt sm agency and I recruited my best friends To join us I love sm agency very much and I will never let Changmin and yunho destroy our home again I will fight for my family appa umma uncle all spies from the past sm agency I will avenge you All