Jane and the CBI investigate the murder of a popular school teacher. Meanwhile, Cho and Summer hide their relationship from Lisbon, and Rigsby gets a special delivery.
When the new owner of an infamous playboy's (Peter Bogdanovich) address book is found murdered, detectives suspect a U.S. senatorial candidate, whose infidelity is documented in the book.
When the CSIs find a co-ed dead in a hot tub, they investigate a case marked by jealousy, psychosis and college roommates.
After making an enemy in sorority president Holly, Naomi finds unusual allies who help her get revenge. Annie, short on money for sorority dues, must figure out a quick way to come up with the cash.
Silver is asked to make campaign videos for political candidate Marissa Harris-Young who is running against Teddy's Uncle Charles for public office. Teddy runs into an old flame and Annie gets stuck with Leila during an important date.
