A cop is murdered in unexplained circumstances and Horatio becomes suspicious when Internal Affairs get involved, leading him to believe that this wasn't a random crime.
Horatio suspects a sniper is responsible when three people are shot during rush hour. But the team are puzzled when the evidence on a fourth victim doesn't match up.
Horatio and the team investigate lifestyles of the rich and famous when a nanny working for a wealthy family is found dead after being stabbed and poisoned.
A reporter witnesses his friend's murder in Miami's drug district. The reporter claims he was there on a story but Horatio thinks there is more to it than meets the eye.