Trying to find a movie name ~a female senior soldier get raped by her fellow?

A cop investigates in a case in an army.
In the investigation ,he finds a female senior soldier (The main actor)has a SM habit with her fellow and she is unspokenly notorious. It turns out that she does so to make a revenge for her father( the head of the army) not saving (openly justify ) her from her past history of being raped by other soldiers in a simulated action training .