See Also: '10-7' Episode Guide

CBS yesterday premiered the promo of the CSI: Miami season finale, "10-7".

In the episode, 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. "10-7" was written by Ann Donahue and Elizabeth Devine, and directed by Michael Ostrowski.

The 30-second trailer for the episode is now available on the official CBS site. For those of you with slower connections, here's a transcript:

AFTER 23 THRILLING EPISODES

[Horatio stands on a high platform, looking down.]

[Text-over: 'Monday']

[Flash: Two women are dancing.]

[Close-up of Horatio's face.]

[A woman dances at a party.]

[Calleigh looks over her shoulder.]

[A blonde woman laughs at the same party.]

[Delko looks down at a piece of evidence.]

[Back at the party, everyone's dancing and having fun.]

[Alexx holds up a piece of evidence with a pair of tweezers.]

[At the party, the DJ bobs to the beat of the music.]

[Two women walk down the street.]

[Another woman is dancing and having fun.]

[Flash: The DJ is enjoying the party as much as the partygoers.]

[Flash: Two women dance close together.]

[Flash: A blonde woman laughs.]

[Flash: A brunette sways along to the music.]

IT ALL COMES DOWN TO THIS

[As the party continues, the wall behind the DJ explodes. His body flies towards the audience.]

[Alexx addresses Horatio.]

Alexx: "If I need to get my kids out of town, you'd tell me, right?

[Aerial shot of a traffic jam. Miami is being evacuated.]

[Three men in biohazard uniforms stand around a crime scene.]

[Horatio looks hesitant.]

ONE CSI FACES THE BROTHER HE THOUGHT WAS DEAD

[Horatio is at the crime scene, investigating through the rubble.]

[Back at the morgue, he looks on as someone pulls the sheets over a body.]

[A computer searches through its database and Raymond Caine's profile pops up.]

[Horatio is inside his car. He looks over his shoulder discreetly.

Horatio: "Raymond?"

[From the back seat, Raymond addresses Horatio.]

[His eyes are only visible through the rear view mirror.]

Raymond: "You're the only one I can trust."

[Flash: In the lab, Horatio is in the layout room, Ryan approaches him.]

[Flash: A pair of gloved hands put the small components of a bomb together.]

[Flash: A red wire and a black wire are placed on to a battery. A blue light goes off.]

ANOTHER ONE WILL EXPERIENCE SOMETHING SO UNSPEAKABLE

[At the lab, Calleigh takes her goggles off to look at something better.]

[As a pair of hands hold a gun, a drop of blood falls on the white lab coat.]

[In the scene, Horatio stands to the side as a police car drives away.]

THEY'LL LEAVE CSI

[Calleigh is back at the scene. Her head is lowered, a gun is placed on the back of her head.]

[The person holding the gun cocks it.]

[Calleigh closes her eyes, waiting for the blow.]

[At the morgue, Alexx closes one of the silver drawers.]

DON'T MISS A MINUTE

[A few officers and men in biohazard suits stand around a crime scene.]

[Close-up of Horatio's face.]

[Text-over: 'Don't miss a minute.]

Yelina: "My son is in danger

[Ray Jr.'s face has been covered with a blindfold, his hands behind his head. He looks over his shoulder, scared.]

[Yelina pleads with Horatio to do something.]

OR YOU'LL MISS A TWIST

[Eric is at the lab, looking at something and holding his gun up.]

[In the ballistics lab, Eric stands behind Calleigh, holding his gun over her shoulder but looking at her.]

[Text-over: 'You'll miss a twist']

[Horatio and Raymond finally confront Ray Jr's kidnappers. Ray Jr is on the floor, still blindfolded.]

Raymond: "Take me for the boy."

[As Calleigh walks out of a crime scene, she draws her gun, ready to shot.]

[The camera angle shifts to see she's pointing her gun at Eric, who holds his hand up defensively.]

[A car speeds out of a garage, somebody is shooting at it.]

[The Hummer is parked under a bridge. Horatio and another man walk away from it.]

[A few officers and men in biohazard suits stand around a crime scene.]

[A body lays on the floor, seemingly dead. We can only see an arm, the hand is holding a gun.]

[The men in biohazard continue to investigate the area.]

[Horatio draws his gun.]

[A man inside a cockpit raises his hands defensively.]

[In another part of town, Horatio has his gun drawn and yells at somebody.]

Horatio: "Hey!"

CSI: MIAMI THE SEASON FINALE. CBS, MONDAY

[The Miami skyline.]

[Text-over: 'CSI: Miami. Season Finale – Monday 10/9c']

The full promo can be seen as a 30-second streaming RealMedia file at CBS's official CSI: Miami web site.

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