CSI: Miami - Season 2 - Eps 20: The Oath
A police officer collapses and dies after pulling over a car, and the investigation reveals he was murdered. Horatio grows suspicious when Internal Affairs gets involved in the case, leading him to believe that the killing wasn't a random crime. Meanwhile, Calleigh aids an abused woman who is living with one of the suspects in the probe. Yelina begins dating Horatio's nemesis – who is heading up the Internal Affairs inquiry.
About CSI: Miami

Title: CSI: Miami
First Air Date: 2002-09-23
Last Air Date: 2012-04-08
Status: Ended
Rating: 7.72/10 (from 1616 votes)
Language: EN
Seasons: 11
Total Episodes: 232
Network: CBS
Genres: Drama, Mystery, Crime
Production Companies: Jerry Bruckheimer Television
Synopsis
CSI: Miami follows Crime Scene Investigators working for the Miami-Dade Police Department as they use physical evidence, similar to their Las Vegas counterparts, to solve grisly murders. The series mixes deduction, gritty subject matter, and character-driven drama in the same vein as the original series in the CSI franchise, except that the Miami CSIs are cops first, scientists second.
Cast

David Caruso
Horatio Caine

Emily Procter
Calleigh Duquesne

Omar Benson Miller
Walter Simmons

Jonathan Togo
Ryan Wolfe

Adam Rodriguez
Eric Delko

Rex Linn
Frank Tripp

Eva LaRue
Natalia Boa Vista