UMP40 infected by Parapluei virus after she protect her sister UMP45 from being infected, later she order 45 to kill her before her became fully infected, because 45 too scared she became crazy and totally different person, then she leaving 45 alone. UMP40 remember her goal, to find her former commander that destroying her and little sister UMP45's life many years ago, her former commander was her husband in past, UMP40 vows that she wants torturing him or killing him brutally after kidnap him.