Jeremy Ray Valdez

De FBI wordt betrokken bij een mislukte inval door DEA, maar een voormalige collega van Abbott kan het onderzoek en Abbotts carrière verpesten.

In the season finale after learning the identity of the person who is responsible for the bus crash Veronica hurries to warn others but ends up putting herself in an extremely perilous situation. Meanwhile Keith enlists Veronica's help in his ongoing investigation of Woody (recurring guest star STEVE GUTTENBERG) asking her to go undercover and get some vital information from Woody's lawyer. Later when graduation day finally comes around Neptune seniors celebrate with a huge party at the Neptune Grand. Recurring guest star HARRY HAMLIN appears as Aaron Echolls; recurring guest star TINA MAJORINO appears as Mac; and recurring guest star CHARISMA CARPENTER appears as Kendall.

A restless Veronica is plagued by dreams in which the students killed in the bus crash confront her. Meanwhile when Logan and Weevil work on a physics project together neither is enthusiastic until they discover that their success might help Veronica receive a scholarship. Later when a large number of students are diagnosed with a medical ailment that gives them the right to postpone school tests and projects the concerned principal hires Keith to investigate the validity of the disorder.

Jack en Henderson vallen de onderzeeër aan, terwijl Bierko een aanval op LA voorbereidt. Chloe haalt iemand uit haar verleden erbij om haar te helpen. Martha en Aaron schakelen Mike's hulp in bij hun plannen om Logan te ontmaskeren.