Jane upstages a drama teacher when he and Lisbon investigate the murder of a popular teacher on a school campus.
The team investigate when a college student is found dead in a hot tub and soon find the case is surrounded by jealously and psychosis.
When the little black book of an infamous hedonistic playboy is purchased at an auction, the new owner is found murdered.
When Sarah re-evaluates the capability of Andy's computer, she worries about where it could lead; Sarah meets a stranger whose history is tied to hers; agent Ellison discovers remnants from a terminator battle.
Mahajan and Longford are in for a few surprises when they investigate a bludgeoning; an ex-con confesses to killing two rivals; a woman from Stone's past complicates his relationship with Sanchez.