Horatio and an old enemy come together again because of scandal, Calleigh makes a decision that could affect her career and her relationship with Eric.
After a Miami killer hits the streets again Horatio takes a big gamble in the investigation when he meets the mother hoping she can provide information that will stop the killing spree of the Taunter or let it continue.
The team has trouble with their latest case trying to figure out if a notorious suspect who is known for taking eyes from victims has come back. The CSI's get quite a surprise when a new suspect emerges as a possible killer.
A popular singer uses a high stakes poker game to get revenge at a record producer leaving the mystery of how one player's death causes someone else to be injured.
Horatio finds out something interesting about the person thought to have killed the husband of the police chief from Mexico. Horatio get some interesting clues as to who the real killer may be.