Harris County/Miami - Dep. Mario Quintanilla investigates the murder of a woman shot during a robbery of her illegal game room. Acting on a tip that his suspects are from Central America, Quintanilla races to find them before they can flee the country. And in Miami, Det. Fabio Sanchez heads to Little Haiti to investigate the homicide of two young men shot in their living room. Sanchez must track down a friend of the victims, who was with them before they were shot, to find out what he knows.