As a result of falsely accusing her faculty adviser of sexual harassment, Naomi (AnnaLynne McCord) is now required to complete community service and publicly apologizes to her peers for the trouble she has caused. The gang is preparing for the SAT's when Silver (Jessica Stroup) disagrees with Teddy's (Trevor Donovan) decision to skip college to focus on his tennis career and things grow even more tense when she meets his movie star father, Spence (guest star Ryan O'Neal). Liam (Matt Lanter) and his father, Finn (guest star Scott Patterson, "Gilmore Girls"), reconnect and attempt to rebuild their relationship. Navid (Michael Steger) and Dixon (Tristan Wilds) host an underground gambling party that results in Dixon owing Mark (guest star Blake Hood) a lot of money. Debbie (Lori Loughlin) reveals to Harry (Rob Estes) that she kissed another man, which forces the two to finally discuss their recent problems. Annie overhears their parents conversation and turns to Liam for support. Just when Naomi thinks her life is back on track, her evil sister Jen (guest star Sara Foster) returns to Beverly Hills.