TRIAL AND ERROR — In an effort to put her inheritance to good use, Annie (Shenae Grimes) volunteers to organize a big charity fundraiser. When Naomi (AnnaLynne McCord) takes drastic measures to land her first event-planning client, her big plan back-fires. Meanwhile, Silver (Jessica Stroup) realizes she still has feelings for Navid (Michael Steger), and Vanessa (guest star Arielle Kebbel) vows to make Liam (Matt Lanter) a huge star after his agent drops him. Gillian Zinser, Tristan Wilds and Jessica Lowndes also star. Stuart Gillard directed the episode written by Chris Atwood (#416).