90210 Spoilers: Season 4 Ep. 1 "Rush Hour”

CW has released guide for the second season 4 episode of 90210, “Rush Hour” . It will air on Tuesday, September 20.
SORORITY GAMES

• In an effort to re-gain her status, Naomi (AnnaLynne McCord) rushes a popular sorority, where she, along with Annie (Shenae Grimes) go through sorority games.
• Annie finds out a shocking secret about new guy Jeremy (guest star Matt Cohen) that could affect her future.
• Liam (Matt Lanter) decides to keep the bar he bought on a whim and has a surprise guest from Alaska come into town, while Dixon (Tristan Wilds) finds an unlikely roommate in country boy Austin (guest star Justin Deeley), which could lead to trouble.
• The search for Navid’s sister Leila (guest star Summer Bishil) forces Navid and Silver (Jessica Stroup) to enlist in Adrianna (Jessica Lowndes) for help, much to the dismay of Silver.
• Gillian Zinser also stars. 

UPDATE: Sorry this might be the 2nd Episode not the 1st!! 
Source: http://www.spoilersguide.com/90210/season-4-episode-1-rush-hour-guide/