joon n thunder is bff meanwhile the girl is complete stranger to both of them.. joon was in the mission to kill that girl but he can't bring himself to do that so he save the girl..the girl got shoot..joon bring her to thunder for treatment and hiding place..then joon left the girl for thunder to take care off while he's gone..eventually both of them[the girl & thunder] fall in love with each other..joon is back trying to take the girl away as the other man that shoot the girl in the begining is hunting her...the couple in complete confusion  try to stop joon...joon and thunder fight...joon shoot himself but before he died, he passes the plane tickets to that girl so that she can go somewhere far..

WATCH MV HERE----> http://www.youtube.com/watch?v=eQUyW-3_6Qc

lol poor description of MBLAQ's song "it's a war"

sorry for my bad grammar english is my second language

and just wanna say that I AM MADLY IN LOVE WITH THIS SONG!!!!!