The shield

The story of an inner-city Los Angeles police precinct where some of the cops aren't above breaking the rules or working against their associates to both keep the streets safe and their self-interests intact. In season four Det. Vic Mackey's past actions have caught up with him and he finds himself working in a collapsing surveillance sting. Meanwhile Captain Monica Rawling prepares to take over the Barn and implement her controversial anti-gang policies.