Blue (Kelly Chen), Tango (Ekin Cheng) and C.S. (Jordan Chan) are CIA research scientists working on Project VR Fighter which is designed to train unskilled person into magnificent combat agent. Tango and C.S. decide to undergo the training themselves, because Alien (Terence Yin), the international terrorist, has killed C.S.'s fiancée and kidnapped Blue for his conspiracy. Alien is finally destroyed however, the side effects of Project VR Fighter lead to the war between the two friends...