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.

Bonus features: Audio commentary on selected episodes; 38 deleted scenes; behind-the-scenes featurettes.

Disc 1. Episode 1-4. Playing tight ; Blood and water ; Bottom bitch ; Streaks and tips -- Disc 2. Episodes 5-8. Mum ; Posse up ; Safe ; Cracking ice -- Disc 3. Episodes 9-12. Slipknot ; What power is ; Strays ; Riceburner -- Disc 4. Episodes 13-15. Fire in the hole ; All in ; On tilt.