Mac convinces Veronica to go undercover with her as animal rights activists to rescue a kidnapped monkey as a way of forgetting her breakup with Logan. Meanwhile, Mindy O'Dell asks Keith to investigate her husband's suspicious suicide.
After learning Logan had slept with Madison, the girl Veronica holds responsible for her rape, Veronica tries to deal with it, even if that means NO SLEEP. Meanwhile, Tim Foyle's girlfriend asks Veronica for help to find who gave her a pill that aborted her fetus. Also, Veronica asks Weevil for a favor- a one that might just take him back to his old days.
The basketball coach is found dead after an argument with his son, Josh. The Coach's wife goes to Keith's office looking for help. Veronica becomes involved in the investigation while her father continues the Dean O'Dell murder investigation. Josh escapes from jail, and Veronica is arrested for complicity in his escape.
Veronica is let out of jail, while Mac, Parker, Logan, and Bronson go on Valentine's Day Savenger Hunt. Josh decides to flee the country after learning the truth about his dad and Lamb goes after Steve at Mindy's house.
Veronica is hired to investigate what seems to be a hate crime. Meanwhile, Keith investigates local bars serving alcohol to students under 21, and faces corruption inside the police department. Logan invites Veronica to a party he's throwing for Parker's birthday, and Wallace encourages Piz to "go all in" and reveal his feelings to Veronica once and for all.
Washed-up rock star Desmond Fellows arrives at Hearst to play a charity concert for the campus radio station to find that his backing tapes have disappeared. With his job and the survival of the radio station at stake, Piz calls Veronica despite their recent post-kiss awkwardness. Piz and Veronica are tasked with tracking down the tapes and babysitting a drunk, irresponsible, and depressed Desmond Fellows. Meanwhile, a new and surprising contender emerges to challenge Keith in the race for Sheriff.
Veronica is officially a private investigator - Veronica passes her exam to be an official Private Investigator, while Piz lands an interview with Apollo Bukenya, an African student at Hearst who wrote a book about his years as an orphan child-soldier in Uganda's rebel army. Veronica is hired by an African man, Kizza, to help prove that he is Apollo's father, but her investigation leads to information that might expose Apollo's story as a fake. Meanwhile, as the election for Sheriff nears, Keith is faced with a crime spree in Neptune. Parker comes to Veronica for ...
Veronica's sex tape makes it to the internet. Weevil is arrested for selling fake debit cards to Hearst students but claims he is being framed because of his criminal background, so he asks Veronica to clear his name. On Piz's radio show, Keith debates Vinnie about the upcoming election, while a tipsy Dick apologizes to Mac for the way he treated her in the past.
Veronica discovers the origin of her sex tape - Furious that Logan attacked Piz, Veronica tells Logan she wants nothing to do with him. Parker confronts Logan about still having feelings for Veronica, while Piz assures Veronica that he had nothing to do with the sex tape. Veronica, with Weevil's help, investigates how the tape originated and discovers a person from her past is linked to The Castle and pays them a visit. With the re-election campaign nearing, Keith steps in to protect Veronica.