CBS recently released a promo video on the final four episodes of CSI: Miami.

Miami plans to go out with a bang this season, with important revelations and the death of one of its characters. While Horatio Caine will walk down the aisle, his bride may not survive the season, and the mole that has been tormenting the lab fore the entire season will finally be revealed.

The 30-second promo can now be downloaded at CBS.com. For those of you with slower connections, here's a full transcript of the promo video:

[The Miami skyline.]

IT'S BEEN BUILDING

[Text-over: 'It's been building']

[Horatio walks into an apartment, his gun drawn.]

[We hear Frank in the background.]

Frank: "Miami Dad police, open up."

[Close-up of a gun.]

[A couple of men in masks walk into a bank and start shooting.]

[Text-over: 'One week at a time.']

[Close-up on their faces as they fire.]

[A security guard is hit and goes down.]

[From the season premiere, a man jumps out of a casket and starts shooting at people.]

[The Mala Noche threaten Horatio.]

Man: "You're never gonna win this war."

[Horatio stands in the lab, aiming his gun at someone lying on the floor.]

[Close-up of someone's hand. Blood decorates it.]

Horatio: "There is blood on my hands."

[Text-over: 'The clues.']

[Natalia is confronted by Delko.]

Delko: "You know something you're not saying?"

[Text-over: 'The secrets.']

[From a later episode, Marisol is caught purchasing marijuana. She addresses Horatio.]

Marisol: "Am I under arrest?"

[Horatio leads her away.]

[Text-over: 'The lies.']

[Ryan talks to Natalia.]

Ryan: "There might be a mole in the department."

[Flash to: a bunch of reporters stand around a red carpet, snapping pictures.]

[Horatio stands aside, hands on his hips.]

BUT IT ALL ENDS HERE

[The CSIs stand in the lab, analyzing someone's handwriting.]

[A woman is handcuffed, and someone is pointing a gun at her.]

[It's a man wearing a black hood. He looks behind him.]

[He looks at her again and grabs her hands.]

[Horatio talks to Delko.]

Horatio: "Someone's trying to destroy this lab."

[Ryan walks around inside a house, his gun drawn.]

[Delko is in the garage, opening a couple of garbage bins, his gun also drawn.]

[He pulls a mantle back to reveal a woman, tape around her mouth and wrists. She's crying.]

[Calleigh is at the lab, reaching for something around a computer monitor.]

[Natalia addresses Delko.]

Natalia: "You and I had a chance and you blew it."

[Delko looks down.]

[A couple of women lay around in their bikinis.]

[They chat innocently.]

[Two people kiss each other.]

[Horatio and Delko are inside a building where lots of people are walking around. They hurriedly make their way up a set of stairs.]

[As they make their way up, their guns drawn, they push people aside.]

Horatio: "Everybody down!"

[Outside, Calleigh kneels next to a police car when shots start firing. She and Delko duck for cover and a SWAT team starts moving around them.]

[Text-over: 'The final four episodes of the season.']

[A ran of shattered glass falls to the pavement.]

[The SWAT team continues to fire back at the perps.]

[A woman in uniform opens the door to a room. Horatio is behind her.]

[A brunette is lying on a bed and looks up.]

[Delko looks down at a dead shark.]

[Close-up of Horatio wearing his sunglases.]

MIAMI IN MAY

[The CBS logo.]

To view this trailer, head over to the official CSI: Miami website .

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