By a chance, a hottest girl, Guan Xiao-Di, enters bodyguard industry. As she takes the bodyguard training lessons, she knows another four beauty girls with different abilities. Through a seriesof deviltrainings, Xiao-Di and four girls gradually grow up as qualified female bodyguards. A sudden event happens and one of them should give up the test to accomplish the task. At crucial time, Xiao-Disacrifices herself to help team members fulfill the task. Facing other members’graduation, Xiao-Di can’t help but crying. Then theirsevereinstructorwalks to Xiao-Di and tells her that sacrifice is the index of this task. Finally, Xiao-Digraduates top of them and starts the bodyguard journey.