It's a new beginning for this iconic group of friends, as they return to the Hills and reconnect for the first time in years. While facing new challenges, old rivalries and romances collide as they find that sometimes the past is not the past.
Stephanie tries to repair her relationship with Spencer; Mischa faces down Perez Hilton, who bullied her in her acting heyday; the spark between Audrina and Justin continues to smolder.
Justin finds himself in the middle of a showdown between Audrina and Stephanie; Kaitlynn fears for Brody's life as wildfires tear through Malibu, Calif.
Brody and Kaitlynn survey the damage to their home after the Malibu fires, Mischa prepares for a high-stakes movie audition, and Heidi tries to revive her pop music career.
Gossip catches fire and rumors fly after a scandalous incident involving Brody and Stephanie. Audrina is shocked when Justin brings a jaw-dropping date to dinner.
Brody and Kaitlynn’s relationship continues to struggle as they visit a fertility specialist. Heidi and Spencer prepare for their upcoming vow renewals with dueling Bachelor/ Bachelorette parties. Brandon struggles with defining his new relationship.
Brody and Kaitlynn's marriage is on blast as gossip swirls about their love life; after committing to "exclusivity," Brandon begins to question his relationship with Ashley.
The gang celebrate a renewal of Heidi and Spencer's vows, and rumours about Brody and Kaitlynn's marriage spread. Are they open? Are they even legally wed?
After almost a year apart, the group performs a ritual to say goodbye to the past, Heidi and Spencer try to get on the same page, Audrina jumps back into the dating pool, and Brandon surprises his ex.
Spencer and Heidi invite Audrina and Sean over for brunch, Brody keeps it casual with Amber, Jason and Ashley get uplifting news, and Brandon introduces Dani to the guys on poker night.
On a trip to San Diego, Spencer and Heidi celebrate before trying for another baby, Brody surprises Kaitlynn by bringing a date, and Brandon tries to balance work and fun.
Brody questions his relationship with Amber, Audrina is uncertain about her future with Sean, and Justin opens up as the group's time in San Diego comes to an end.
Audrina hosts a special party for Jason and Ashley, Heidi feels singled out after the group's trip to San Diego, and Caroline reveals her true feelings to Kaitlynn.
Kristin returns to L.A. to reconnect with her friends, Justin opens up about his turbulent childhood, and Heidi deals with the fallout after skipping Jason and Ashley's party.
During a trip to Lake Tahoe, the group grills Brody and Audrina about their relationship status, which leaves Kaitlynn questioning what happened between them in the past.
As the Lake Tahoe trip comes to an end, an argument erupts between the Pratts and the Wahlers, Brandon and Dani don't see eye to eye, and Audrina and Heidi's friendship is at a crossroads.
Heidi and Spencer get financial advice, Justin makes an admission to his father, Audrina and Heidi have communication issues, and Dani gets upset with Brandon at Frankie's luau.
Caroline prepares to launch her Pizza Girl sauce, Audrina questions Kaitlynn's rush to move in with Kris, and Spencer and Heidi get a professional perspective on their struggling business.
At Speidi’s wellness retreat, rumors swirl about Kaitlynn being pregnant. Brandon reveals shocking news about his relationship. The Wahlers struggle to find peace with the Pratts, who are distracted by some potential life changes of their own.
Kaitlynn breaks the news to Brody about her pregnancy but worries about him and Kris meeting face to face at the retreat. The Pratts & Wahlers finally tackle the feud that has divided the group. Justin learns the importance of maintaining connections.