While helping her classmate Mandy search for her missing Jack Russell terrier, Veronica stumbles onto a bigger mystery, which affects pets all over Neptune.

Meanwhile, tensions mount in the Echolls family as Trina tries to convince the now-retired Aaron to take a part in her new boyfriend's independent movie. Later, Weevil is arrested for breaking into the Kane residence and taking something from Lilly's room.

Deciding to give Jackie the benefit of the doubt since she's dating Wallace, Veronica tries to help Jackie determine who stole her credit card, leading Veronica to appear on a psychic's community access show to pursue a lead. Meanwhile, Wallace confronts his mother Alicia about who his real father is. Later, Veronica learns of a voice mail recording from one of the students that died, made at the moment the bus crash.