A bodega owner kills two men after they demand a ransom for his daughter. McLaren and Kahn investigate with help from an old homeless man named Pappy Science. Lazarus and Sanchez are put on post in front of a prep school after muggings involving students happen in the area. Sanchez meets Lazarus' teenage daughter Ruby. Jackpot and White House are left watching over Harvey, after he is attacked by another jail inmate.