Horatio Caine untersucht mit seinen Leuten einen Flugzeugabsturz in den Everglades. Es stellt sich heraus, dass das Flugzeug einem gewissen Mr. Summer gehörte, einem der erfolgreichsten Versicherungsagenten der östlichen USA. Indizien an der Unfallstelle deuten darauf hin, dass der Absturz kein einfaches Unglück war.

A serial bomber is on the loose. Will the team with the help from Caine's old bomb squad mentor be able to work out the puzzle and find the bomber?

Horatio and his team investigate after a Russian immigrant is stabbed to death in a peep-show booth, and the only witness to the crime is the stripper who was performing for him.

Horatio battles the FBI and U.S. Marshals as he tries to uncover why a woman was murdered at the side of a pool at a hotel. The investigation begins shortly after the woman is found dead from two shots to the head. The evidence suggests that it was a professional hit man, which is strange enough, but the case becomes additionally puzzling when the Feds and U.S. Marshals get involved. Plus, the murder weapon is linked to a cold case that was orinially investigated by Yelina. Meanwhile, Calleigh talks to her dad about his drinking problem after she's called away from work to drag him out of a bar.

An inmate at a massive Miami prison complex is stabbed to death in the prison yard. Shortly after Horatio arrives on the scene, a helicopter appears above the correctional facility. He immediately fears that the murder was a decoy to set up an escape. That's confirmed as three prisoners hop aboard the chopper and flee. As the investigation gets underway, the identities of the fugitives become known and a horrible realization sweeps over Horatio: two of the escapees are cold-blooded killers who already have their next victims picked out, and the other is a child molester who he recently put away.

Ein Taucher wird ermordet an Bord eines Kabinen-Kreuzers gefunden. Es stellt sich heraus, dass er auf der Suche nach einem sagenhaften Schatz war, der im 17. Jahrhundert mit einem Schiff unterging. Der Partner des Opfers glaubt, dass Brian Betancourt, der das Unternehmen finanziert hat, hinter der Tat steckt. Doch der kommt kurz darauf bei einer Explosion ums Leben.

A man and his wife are trying to drive out of a hurricane's fury when they strike and kill a man in the blinding storm. Horatio finds that the lack of impact wounds on the victim's knees suggest that he struck the car as opposed to the car striking him. Meanwhile, in a seemingly unrelated case, Horatio finds another victim of the hurricane impaled on a fence. However, as the CSIs uncover the scattered remains of the post-storm evidence, it seems that these two cases may have a deadly connection. Meanwhile, after Calleigh witnesses a man looting a house, she realizes that she's got another case on her hands when she finds his ex-wife inside shot to death.

Horatio is driven to find his brother's killer and protect the niece he never knew existed when a woman shows up with Ray's illegitimate child. The team explores a voyeuristic Internet site in connection with a stockbroker's murder.

Alexx und Delko sind gerade in den Everglades unterwegs, als ein Buschfeuer ausbricht. Als diese gelöscht ist, wird eine Frauenleiche gefunden. Horatio glaubt, dass zwischen der Leiche der Frau und dem Feuer ein Zusammenhang besteht.

After a small plane crashes at a Miami beach and the pilot dies, Horatio finds remnants at the crash site of chemical used in making cocaine, and it seems that the victim's business partner may have sabotaged the aircraft. However, when evidence suggests that the pilot may have died before the crash, the team investigates the victim's neighbors – all wealthy residents of a secluded cul-de-sac where lust, jealousy and greed are dangerous motives for murder.

Die Pornodarstellerin Ashley Anders wird erwürgt aufgefunden. Da sich bei der Untersuchung der Leiche herausstellt, dass Ashley deutlich jünger war, als offiziell angegeben, fällt der Verdacht auf ihren Arbeitgeber.

After a bitter custody battle, shots are fired outside the courthouse. Bullets fly and the target is the little girl's mother. Horatio goes after the father, who he suspects may not be the girl's biological father after all. However, when the mother's shady past is uncovered, the team finds that she has a lot of enemies who would like to take a shot at her. Meanwhile, Calleigh's father returns to the crime lab for her guidance but for an unexpected reason.

While investigating the murder of man hired to make dirty bombs that terrorists intend to set off in Miami, Horatio finds the bloody fingerprint of his brother, Raymond, who he believed to be dead. However, when Raymond's son is kidnapped, he emerges from deep undercover and the estranged brothers must work together to save the boy. Meanwhile, while processing a crime scene, an unknown assailant holds a gun to Calleigh's head and, after a deadly confrontation in her gun lab, she is left doubting that she can continue as a CSI.

The episode picks up straight where "One of Our Own" left off. Horatio and Delko have arrived in Rio de Janeiro to hunt down Antonio Riaz, who ordered the hit on Marisol. The problem is that Horatio can't stop thinking about his late wife, and Brazilian authorities aren't being very cooperative. While there, Horatio runs into Yelina and finds out that Raymond is missing again. Ray Jr., now fourteen, teams up with Brazilian authorities and will stop at nothing to bring his father home safe, until Horatio learns the terrible truth... Raymond is already dead. Now Horatio must stop his nephew from getting himself killed trying to chase a ghost.

When strange accidents occur in the lab, the CSI team is spooked during a death investigation involving voodoo. As Halloween is near everyone starts to think that the lab is cursed.

Auf einem privaten Schießplatz wird die Leiche eines Marineoffiziers gefunden. Blut ist am vermeintlichen Tatort jedoch nicht zu finden. Das CSI-Team wird schließlich auf dem nahegelegenen Parkplatz fündig. Der Täter scheint den Offizier von dort bis auf den Schießplatz geschleppt zu haben. Die Obduktion ergibt zu dem, dass der Mann nicht erschossen, sondern erschlagen wurde.

Am Strand von Miami explodiert eine Landmine und reißt den kubanischen Baseball-Spieler Ario Pastano in den Tod. Als die Ermittler den Tatort untersuchen, aktivieren sie eine weitere Landmine ...

A serial killer is on the loose with a craving, making Calleigh its next victim, which also jeopardizes her ability to do her job.

In the second part of the two part episodes, Horatio deals with his past and the rest of the team works to rescue Calleigh from kidnappers.

The evidence on who shot Horatio leads the team to some of most Miami's dangerous including one of their own.

Ein wichtiger Zeuge stirbt kurz vor einer Gerichtsverhandlung in einem Mordprozess durch einen Unfall. Horatio und seinen Leuten bleibt nichts anderes übrig, als noch einmal mit der Beweisaufnahme zu beginnen.

When a savage killer runs rampant in Miami, Horatio must intervene to stop a member of the police force from getting too close to the case.

Calleigh and Ryan come close to being murdered while investigating a home in which they find the corpse of a doctor who's been performing illegal transplant operations in his garage...

Auf dem Förderband der Gepäckausgabe wird die blutüberströmte Leiche einer Flugbegleiterin gefunden. Bei ihren anschließenden Ermittlungen stoßen Horatio und seine Leute auf Abgründe über den Wolken.

Horatio fights to save Yelina and when Delko goes against Calleigh's plea and helps his dangerous father, his life is put in jeopardy.

A serial killer taunts the CSIs by leaving them cryptic hints, and the longer it takes them to decode these puzzles, the higher the death toll rises, on the eighth season finale of CSI: MIAMI.