TRIAL AND ERROR - In an effort to put her inheritance to good use, Annie volunteers to organize a big charity fundraiser. When Naomi takes drastic measures to land her first event-planning client, her big plan back-fires. Meanwhile, Silver realizes she still has feelings for Navid, and Vanessa (guest star Arielle Kebbel) vows to make Liam 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.