Leslie is disappointed when her new park plans are put on hold by a visit from two state auditors. April has plans for Andy at her birthday party, and Ann tries to piece together a romantic mystery.
Preston and Porter move out; Gaby and Carlos visit her hometown; Keith asks Bree to move with him to Florida; Susan uses her ailment to get special treatment; Paul makes a decision about Beth.
When gasoline gets so expensive that Miami's residents are literally killing for it, the CSI's come face to face with one of the city's most sadistic crime rings.
The CSIs are forced to investigate two crimes at once when a mysterious energy field near The Empire State Building appears to be the cause of both a billionaire's disappearance and his limo driver's death.
After Melanie accepts a gift from Derwin, Jerome begins to question her commitment to their relationship. Meanwhile, after firing his manager, Kelly tries to convince Jason to sign with Irv.