While pursuing his lifelong dream of landing a starring role, amateur actor Wei Chenggong (Xiang Wei) receives an invitation from famous actress Mi Lan (Li Ma) to play her leading man, "Killer Karl". However, unbeknownst to Mr. Chenggong, the new gig has landed him directly in the middle of a dangerous conspiracy. As the brutal truth inches closer and closer, he is left to rely on only his good luck and (somewhat questionable) acting skills to survive.