Veronica Mars: Season 1, Episode 22

1 - 22: Leave It to Beaver

In the shocking, action-packed first season finale, a determined Veronica must betray someone she cares deeply about in order to solve the mystery of who murdered her best friend Lilly, but what she discovers puts her life in serious danger. Meanwhile, Jake Kane asks Duncan if he really wants to know what happened on the night Lilly died, and Keith awaits the results of a paternity test.