In the season four premiere, gang from Beverly Hills have graduated from high school. Naomi has spent the summer dealing with the shocking news of her pregnancy and quickly discovers she doesn't have the status at college that she did in high school. Annie receives some unexpected news that keeps her in town, while Liam returns from his summer away ready to commit to Annie. Dixon finds himself without a roommate or a place to live, while an unexpected visitor tests Navid and Silver's relationship after they move in together. Adrianna comes back to town looking for redemption, which she soon learns will be hard to earn back. Ivy and Raj struggle to deal with Raj's health getting worse, while Teddy struggles with coming out to his family.

In an effort to re-gain her status, Naomi rushes a popular sorority, where she, along with Annie go through sorority games. Annie finds out a shocking secret about new guy Jeremy that could affect her future. Liam decides to keep the bar he bought on a whim and has a surprise guest from Alaska come into town, while Dixon finds an unlikely roommate in country boy Austin, which could lead to trouble. The search for Navid's sister Leila forces Navid and Silver to enlist in Adrianna for help, much to the dismay of Silver.

After making an enemy in sorority president Holly, Naomi finds unusual allies who help her get revenge. Annie, short on money for sorority dues, must figure out a quick way to come up with the cash. Liam and Jane get closer, while Adrianna reveals a secret that causes Liam to look at her in a different light. Ivy becomes increasingly frustrated with her friends and lashes out at their lack of compassion, while Navid must deal with his uncle coming into town and trying to undermine Shirazi Studios.

Dixon feels the heat to produce a hit song after Navid sets up studio time for him; Naomi's plot to take down Holly and her sorority involves help from Austin, much to Naomi's chagrin; Silver's attempt to make a commercial for Liam's bar falls flat; and Ivy feels torn between Raj and her friends.

Silver has the opportunity to create campaign videos for political candidate Marissa Harris-Young, who is running for public office against Teddy's uncle Charles. Teddy runs into an old flame and Annie gets stuck with Leila while on an important date. An unexpected visitor threatens to hurt Liam and Jane's relationship, and Naomi struggles to control her growing feelings for Austin during a party to encourage students to vote.

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in this. The gang heads to Las Vegas, where Naomi meets Austins dad, country superstar Judd Ridge. The guys run into a celebrity at the pool, where Liam gets invited to play in a celebrity poker tournament. Teddy and Shane decide to tie the knot, while Dixon and Adrianna get closer. Meanwhile, Navid sees an opportunity to take his Uncle Amal down.

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It is a pearly new year for the gang at 90210 but who is really ready to be out with the old and in with the new? Only an awesome Hello to a New Year party planned by Annie can reveal that. Annie wastes no time embracing her new inheritance as she stylishly arrives back into town from Paris. However, trying to start fresh with Liam proves to be a little bit more difficult.

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Liam asks Naomi for help planning the party and she agrees in order to avoid taking a physics final. Also, Ivy tries to get back into the art world with her photography artwork, but finds that her past with Nick hinders her plans since he used to date the gallery owner whom Ivy presents her photographs to.

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Naomis sister Jen arrives with her son for a surprise visit. Adrianna and Dixon land a meeting with a major movie producer to discuss music on his next film, but are sabotaged by Vanessa. Meanwhile, Silver gets accepted into New York University and Ivy attracts attention in the underground scene when she switches to a less conventional style of art.

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In this interlude of the show. Naomi is about to get married with P. J. But her friends are thinking that she is rushing for her marriage proposal. So, Naomi made a plan to organize a small party so as to make her fiance familiar to all her friends. Austin is back from Los Angeles and decided to be a new manager of Adrianna.

In this installment of the show. Navid was thinking that Liam and Silver are clasped together so he makes out the plan to accost Liam at the premiere of movie. Annie and Caleb gets attracted to one another. In the meantime, Naomi has been appointed to chalk out the marriage design for the heiress.

In this installment of the show. Madison is very much stimulated for his bachelor party organised at her home. But Naomi plans to ruin it badly in her unique way. On the other side, Liam and Navid get into a big-big conflict with Silver. Ivy is annoyed with the behavior of Annie and Caleb due to Deigo incident.

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