Armando Valdes-Kennedy

Claire is suspected of arson when Kroehner Corp.'s new building is burned to the ground; David ends a feud with Keith.

Horatio takes confession with a New York City Cardinal who is one of only a few people who know of the deadly crime he committed in his past. Meanwhile, Miami's fiercest gang seeks revenge on a rival gang member and opens fire at his mother's funeral. When the gang discovers that Horatio plans to find them and destroy their illegal smuggling operation, they put out a hit on Horatio. Also, Natalia Boa Vista, a new CSI lab technician, creates conflict with a different government agenda from that of the team.

As a tidal wave heads toward Miami, Horatio and the team must stop a gang of bank robbers who are trying to take advantage of the natural disaster.

When a rich family is trapped on a burning yacht in shark-infested waters, the CSIs must investigate. The daughter is killed during the tragedy, and the team soon discovers a web of lies within the family. Now, as the team delves into the world of outrageously wealthy yacht club members, they find that not everyone is who they appear to be. Meanwhile, Calleigh clashes with her replacement in the ballistics lab.

Horatio finally learns the truth about what happened to his brother, and the repercussions will change his life forever.