Through it all, Heidi and Spencer have stuck together and created a crystal empire, but their most important role is that of parents to their son Gunner. They are now ready to expand their family and give their son a younger sibling. Heidi wants another child immediately, but Spencer, very much recalling the challenges of Heidi’s first pregnancy, urges patience until they have surmounted the stress of the pandemic and the financial strain it has caused on their crystal business. As if all that wasn’t stressful enough, their dynamic and no-apologies behavior cause them to be at odds with their friend group, dealing with turmoil and division that threatens to jeopardize even their closest relationships.

Through it all, Heidi and Spencer have stuck together and created a crystal empire, but their most important role is that of parents to their son Gunner. They are now ready to expand their family and give their son a younger sibling. Heidi wants another child immediately, but Spencer, very much recalling the challenges of Heidi’s first pregnancy, urges patience until they have surmounted the stress of the pandemic and the financial strain it has caused on their crystal business. As if all that wasn’t stressful enough, their dynamic and no-apologies behavior cause them to be at odds with their friend group, dealing with turmoil and division that threatens to jeopardize even their closest relationships.

After much self-reflection and embracing a healthier lifestyle, self-proclaimed "Prince of Malibu" Brody is stepping back on the scene with revitalized energy and a fresh outlook. With his public split from Kaitlynn behind him, he is ready to dive into the dating scene again -- but his "friendship" with Audrina may take him back off the market. He’s all about living in the moment and not worrying about mistakes in the past, but when division and conflict upend the group, the question will arise: How much has this "new and improved" Brody actually changed?

Audrina is ready to leave her little black book behind and start a brand-new chapter. After months of soul-searching, she's realized the only person standing in the way of personal happiness is herself, and she's begun to take the necessary steps to reclaim her life and avoid repeating past mistakes. But despite her best efforts to embrace the unfamiliar and unknown, old friendships with Brody and Heidi soon get tested, and eventually Audrina finds herself at a crossroads between being honest with her friends and being honest with herself.

Perpetually a lone wolf, the idea of being a family man with a wife and kids is finally starting to come into focus for Justin. By reconnecting with his past, he realizes that intimacy and responsibility don't mean changing who he is as a person, but instead it means letting others embrace who he is and what he wants out of life.

With his acting career on a temporary hiatus, Brandon finds himself trying to right his wrongs and win back his ex-girlfriend Dani. Worried that his struggles with perfectionism and anxiety could ruin his love life, he spends his time and energy attempting to keep his self-sabotaging habits at bay -- but will his emotions continue to bring out his worst and prevent him from being his best?

Finally free from her "marriage" to Brody, Kaitlynn has been through her share of heartbreak and has learned so much about herself along the way. Despite the challenges of navigating a friendship with her ex, Kaitlynn is finally single and ready to open her heart and mind. When surprising options come her way, will she be open to the unexpected?

Between Jason’s substance use issues and Ashley's terrifying miscarriage, the Wahlers have been to hell and back. But through therapy, love and lots of hard work, they are rebuilding trust and coming out stronger than ever. With news that they’ll be expecting another baby in the coming months, the very strength they’ve been striving for will be put to the test when speculation emerges about Jason’s sobriety, threatening to disrupt everything they’ve worked to build.

Between Jason’s substance use issues and Ashley's terrifying miscarriage, the Wahlers have been to hell and back. But through therapy, love and lots of hard work, they are rebuilding trust and coming out stronger than ever. With news that they’ll be expecting another baby in the coming months, the very strength they’ve been striving for will be put to the test when speculation emerges about Jason’s sobriety, threatening to disrupt everything they’ve worked to build.

After rising from club promoter to entrepreneur and venue owner, Frankie’s life has been put on hold since the pandemic began. Now he finds himself focusing on family, career and starting over. Even though his whole world got flipped upside down, he is still the glue that holds his friend group's disparate personalities together. Will he be able to balance his family and friendships while trying to reinvent his business?

Back from London, Stephanie has left her growing empire, which includes a Sunday Times best-seller "Made in Reality," a jewelry line and an occasion wear clothing line, to reconnect with her brother Spencer after being estranged for eight years.

The extremely stylish Whitney met and married the love of her life, Tim, a producer of "The City," while filming in New York. She launched a successful clothing line named Whitney Eve, wrote a book on styling titled "True Whit" and had a beautiful baby boy named Sonny whom inspired her to create a line of products for new moms called Bundle Organics. Now, she's back in Los Angeles ready to make new memories with her former friends.

Mischa began her acting career at age eight, starring opposite Marisa Tomei in the Tony Kushner play "Slavs!" Among many other roles, she appeared in "The Sixth Sense" and "Love Actually" before shooting to international fame as Marissa Cooper on "The O.C." After being hounded by paparazzi in her early 20s and struggling with the intensity of her fame, she took a break from Hollywood and is now rebuilding her career. Looking toward longevity and long-term contentment, Mischa is not only focused on her career, but also on reconnecting with her old friends Audrina and Stephanie.