The video open as the protagonist ( Rihanna ) shoots and kill a man while he walk through a busy train station . She flee before a flashback to the previous day , when she ride her bike , meet friends and is alone in a bedroom at dusk . At a nightclub the protagonist dances and flirts with another club @-@ goer , who then attack her when she leave the club . Disheveled , the woman cry in the street after an implied sexual assault , and the video end as she run home to grab a gun hidden in a dresser drawer .