Horatio and his team investigate when a yacht rams into a major Florida bridge and a dead man is found on-board. The case progresses as the victim's wife tells Horatio that their six-year-old son has been kidnapped for a ransom of $3 million in jewels. When Horatio and Speed go to a local jewelers to investigate, Speed is shot and killed.
Horatio and his team set out to find the killer of a woman who was killed during a party at a beachfront estate in a drive-by type shooting. Making matters worse is the fact that the only witness is the dead woman's young son who might be the only one able to crack the case.
Horatio and the team must find a woman's killer after she was pushed in front of a moving bus. The woman's boyfriend appears to be the prime suspect. Also, Calleigh's father turns himself in after he fears that he may have been involved in a hit and run after a night of drinking.
A kid from an expensive private school is found dead on a golf course after a flash mob disrupts a morning game. The team tries to decipher which one of the students killed their classmate. Meanwhile, Horatio tries to find a drug pusher who killed a young man's sister.
A young woman who was working under cover for Alcohol Beverage Control is found dead in a club bathroom. The case leads Caine to a immigrant smuggling operation. He manages to break the ring, but must rely on one of the victims to find the rest of the missing girls.
Baseball player Donny Lopez, on trial for murdering his wife, is killed during a power outage at his home while he, his lawyers, and the jury on his trial are on a trip to the crime scene. Caine and his team must try to figure out who killed Lopez and start to suspect it was really a juror at fault.
As the city of Miami evacuates an prepares for a tsunami, the CSI team is on the trail of a gang of bank robbers who are taking advantage of the evacuated city. As the robbers hit a bank, the tsunami hits, and Horatio and Delko must seek refuge in the bank vault.
Horatio and his team investigate the murder of a man found outside a speed dating event.
Horatio and his team investigate an act of piracy off the coast of Miami after six bodies are discovered floating in the ocean tied together by rope.
A man seemingly falls to his death, but the only body on the sidewalk is that of a pedestrian unfortunately walking by at the time. The investigation leads to a DVD of a criminal judge and a woman with a strange sex life that neither wants revealed. When the woman dies, the CSI team has to try to solve another murder.
A couple on their anniversary are carjacked after leaving a restaurant in their Jaguar. Horatio arrives on the scene to find the wife brutally murdered and the husband without memory of the incident.
Gang-related gunfire breaks out in an emergency room when a wounded gang member is brought in.
A cop is killed during a routine traffic stop and the only witness to the shooting is a civilian ride along who has gone missing from the scene.
Investigation into the murder of a bellboy who had worked at a high end Miami hotel leads to an underground counterfeiting ring. Due to the high number of people in town because of cruise season, the list of suspects is enormous. Calleigh investigates a woman's death after her appearance at a very special party with her husband.
The body of a woman killed by a large snake leads the CSI: Miami team to a drug smuggling operation.
The team is forced to deal with both an escaped killer and a massive fire in the Everglades.
The team must track down the person responsible for bringing down a plane carrying $1.2 billion in checks and a dead body.
The team look into the murder of a skateboarder and video-game tester who was found dead in a car accident.
The CSIs must find the killers of two IRS agents in what could prove to be a series of murders before tax day.
Horatio receives life-changing information about his deceased brother and must decide whether or not he should tell Yelina.
When a mother is shot outside of a courtroom after a bitter custody battle, it is discovered that the woman had a shady past.
Popularity issues from the past cause the murder of a former football star at a high school reunion.
When a condemned murderer is granted a stay of execution, the CSIs must re-examine the evidence that convicted him.
Horatio comes face-to-face with his brother, whom he believed to be dead.