CSIs investigate when a young woman is murdered in the bedroom of a man who had won a day with her and another girl at a charity auction.
After a bitter custody battle, shots are fired outside the courthouse. Bullets fly and the target is the little girl's mother, with Horatio going after the father.
Horatio's life is changed forever when he learns important details about his deceased brother, and the team investigates when a woman is murdered at a crowded bar.
An IRS agent is killed while trying to repossess a delinquent taxpayer's yacht. Soon after, the CSIs discover a second IRS agent shot to death. Zac Efron guests.