Rushing to a bank robbery, Ben perfectly follows arrest procedure only to see a fugitive commit suicide. Sammy and Nate investigate the murder of a street gang member who was recently acquitted of rape, probably ignoring she's the daughter of gang baron Luis Reyes. Russell is amused to see Lidia suffers the same selfish rudeness from her new, domineering partner as he, but gracefully, put up with from her.

　　Officer John Cooper returns to duty after recovering from back surgery and meets his new partner, Officer Jessica Tang, a tough and disciplined cop with her own set of baggage from working the streets. Lydia, whose new partner is Ruben Robinson, can't seem to escape helping a former CI who won't stay in safety. Ben, Sammy and Dewey chase an armed man into an elementary school, while Ben bumps heads with an intense street cop whose cynical attitude is affecting their work.

　　《Southland》的故事背景设定在“天使之城”洛杉矶，无论你是漫步在Malibu海滩还是奔走于东洛杉矶街道，都可以看见他们忙碌的身影，《Southland》剧情紧凑，将带你走进洛杉矶警察的日常工作与生活，近距离了解他们如何惩治犯罪，如何与受害人打交道，如何摸索与家人相处获得他们理解和支持。　　近距离了解他们如何惩治犯罪，如何与受害人打交道，将带你走进洛杉矶警察的日常工作与生活，如何摸索与家人相处获得他们理解和支持。