Hill and Renko arrest a young mother who regularly abandons her two toddlers and the station watches as a brutal vice cop is investigated... for a fourth time.

Neal continues to investigate the Weeks shooting, despite pressure from the Chief to drop it because of the bad publicity; LaRue goes from one shady scam to another as he tries to raise money; Belker's sham fence operation nets a surprise; Shirrett Anders leaves her children again; Furillo warns LaRue to get help for his drinking problem after he ruins a drug bust; and Joe Coffey, Lucy's new partner, is shot.