Keith returns to the sheriff's department to help catch a serial killer, and Veronica is overwhelmed with requests for dirt on her schoolmates' parents.
Veronica uncovers a secret organisation on campus after she's accused of providing a fake ID to a student. Meanwhile, Aaron hires Keith to find out who's humiliating his wife.
After a wealthy music producer's daughter goes missing, Veronica almost bites off more than she can chew in her attempt to find her old friend. Meanwhile, Logan finds it difficult to show the proper emotions at his mother's wake.
Veronica is pitted against her father after her favorite teacher is accused of sexual harassment. Meanwhile, Logan turns to Veronica to help uncover the truth about his mother.
Veronica tries to track down a friend's secret admirer and a Russian bride's estranged fiancé. Meanwhile, Veronica discovers that Lynn Echolls' credit card has been used.
Veronica tries to track down a kidnapped mascot. Meanwhile, Veronica's suspicions about the Kane family are rekindled. Later, Veronica's relationship with Deputy Leo intensifies.
Veronica pursues a risky lead, and Logan finds Veronica's files of everyone connected to Lilly's death. Plus, a senior student hires Veronica to find her tormenter.
Veronica investigates bomb threats at Neptune High, Keith reveals who he has been secretly dating and Duncan confronts Veronica about her investigation into his sister's death.
Veronica stumbles onto a mystery that affects pets all over Neptune, and tensions mount in the Echolls family. Later, Weevil is arrested for breaking into the Kane residence.
Veronica helps her friend Carmen plot revenge on her clingy boyfriend, after he threatens to release a scandalous tape of her on the Internet. Meanwhile, Keith decides to track down the missing Duncan in exchange for the huge Kane reward.
Veronica investigates her assault. Meanwhile, when one of Veronica and Wallace's stunts affects Alicia's job, Alicia confronts Keith. Later, Aaron hosts a party for Logan.
Veronica Mars tries to settle into "normal" life, but she gets pulled back into the investigation business when her friend Wallace tests positive for drugs.
Veronica tries to help a grieving family member rule out suicide, and Wallace helps a transfer student. Later, a mayoral candidate asks Keith to consider running for sheriff.
Beaver hires Veronica to investigate his stepmother's possible infidelity and their findings yield unexpected results. Later, Veronica learns information that changes everything.
Veronica helps a woman who thinks that her fiancé is after her fortune, Alicia asks Keith for help, and Weevil receives an anonymous call regarding the bus crash.
Veronica appears on a cable-access show hosted by a psychic as part of the investigation, and Wallace confronts his mother. Plus, Veronica uncovers evidence about the bus crash.
Veronica and Duncan discover that a now comatose Meg had been baby-sitting an abused child. Meanwhile, Kendall continues her affair with Logan, and Woody makes Keith another offer.
Veronica helps Keith determine who is haunting a school bus crash victim's parents. Plus, Veronica stumbles into a dangerous situation with the local Irish mob.
Veronica uncovers her mother's permanent record and Trina directs a Neptune High play and immediately dislikes Logan's girlfriend. Plus, Weevil confronts Logan.
Veronica has jury duty, Keith helps the mayor determine who stole from the police station, and a familiar face returns. Plus, one of Veronica's friends meets a tragic end.