After the summer fireworks caused by a dangerous confrontation with Lilly Kane's murderer and a surprising visitor at her door, Veronica attempts to settle into "normal" life, complete with a new after-school job and a return to the popular fold at Neptune High, but she gets pulled back into the investigation business when Wallace is kicked off the basketball team for testing positive for drugs.Meanwhile, Keith sits down with reporter Julie Chen to discuss his new book on the Lilly Kane murder, "Big Murder, Small Town." Later, after seeing his father arrested for murder and being charged and tried for murder himself, Logan seeks refuge from the paparazzi and relaxes poolside at the Casablancas mansion with buddies Dick and "Beaver" and their sexy stepmother Kendall.

With Aaron Echolls facing trial for Lilly's murder, the previously accused Abel Koontz appears to enlist Veronica's help in finding his missing daughter Amelia, leading to a confrontation with Kane Software's head of security. Meanwhile, Logan is arrested

Veronica and Duncan discover that the still-comatose Meg had been babysitting an abused child, leading Veronica to take on an unfamiliar role as a babysitter to determine the kid's identity. Meanwhile, Kendall continues her affair with Logan as her stepso

Wallace's hopes of escaping his trouble in Chicago are dashed when Rashard's uncle accuses him in the press of a hit and run. Meanwhile, Weevil has Veronica bug a church confessional to smoke out the traitor in his bike gang.

Overcome with guilt and frustration, Weevil asks Veronica for help to bring Felix's true killer to justice, but realizes he may have to take matters into his own hands.Meanwhile, Keith reviews a strange DVD that Woody receives in the mail, and relationship troubles brew between Wallace and Jane, and Mac and Cassidy.

What promises to be a simple case of finding out who ran over a classmate's dog turns into a startling revelation when new secrets about the bus crash come pouring out and Veronica finds herself again revisiting Lilly's murder case. Meanwhile, Wallace and Jackie try to turn their relationship around the corner, and the PCHers turn to Weevil for protection from the Fitzpatricks.

Gia enlists Veronica's help to find out who is stalking her, and Clemmons cancels the senior prom.

Veronica takes the stand in Aaron Echolls's murder trial, and is distracted during final exams while waiting for the verdict. Meanwhile, Keith takes new evidence about the mayor to Lamb, and Weevil asks Mac and Cassidy for help to pass algebra.