The CSIs investigate a crime that has ties to a 25-year-old mob heist; Brass is faced with a decision when his daughter tries to commit suicide.

D.B. Russell leads the CSI team on a hunt to find Morgan and Ellie Brass following their kidnapping by a ritualistic killer.

In the season finale, the CSIs wait by the bedside of one of their own when he’s shot in the line of duty. One CSI faces a hard choice by…

Brass travels to Hollywood, California to try to track down his estranged daughter’s friend, meanwhile trying to rekindle some kind of relationship with her.