Alexis is shocked when Vicki invites her to a party at Tamra's new gym - but not as shocked as when she finds out that Tamra says it's OK. Lydia makes a splash when she reveals that she's been invited to Tamra's party - by her old friend Alexis Bellino. Meanwhile, Gretchen and Slade try to keep their relationship strong while dealing with challenging personal issues close to home. Then, on the night of the big party, Tamra wonders if she's made a huge mistake by allowing Alexis to come when things quickly spin out of control.
When Tamra explodes and kicks Alexis out of her party, all hell breaks loose. While Heather and Gretchen are happy to see Alexis go, Vicki is torn between her alliance with Alexis and her renewed friendship with former BFF Tamra. Alexis screams that she's being bullied again, but Lydia disagrees. In the aftermath, Gretchen heads to New York to support Slade as he deals with the hardest challenge he's ever faced. Lydia encourages a reluctant Alexis to reach out to her enemies and make amends, while Vicki's son-in-law drops a bomb about her boyfriend Brooks.
After the battle at Tamra's party, Alexis struggles to turn the other cheek despite her Christian belief in forgiveness. Tamra's newly-repaired relationship with Vicki goes sour when Vicki is a no-show at their new wine business. Meanwhile, Lydia celebrates her free-spirited mom's new sobriety from marijuana. Vicki does her best to navigate a bitter rift between her family and her boyfriend, Brooks, and Gretchen breaks down in tears contemplating her complicated future with Slade. Heather receives an exciting offer to guest star on a sitcom, only to have Terry selfishly ruin the moment.
Tamra doubts Vicki's commitment to their new business venture when they face off in a nasty argument that abruptly ends their Malibu wine-tasting trip. Alexis and Jim celebrate the grand opening of their trampoline park. Meanwhile, Tamra worries that Eddie is more committed to his bike-riding habit than her, and Heather and Terry hit a roadblock in their relationship when it’s revealed he went too far in an argument, uttering a word that hits too close for comfort to some of the other Housewives.
While Heather is in Hollywood filming a guest role on Hot In Cleveland, Terry struggles at home alone with the kids. Meanwhile, Alexis pursues her own acting career in Orange County. Gretchen and Slade ruffle some feathers when they are inconsiderate on Heather’s big day. Then, Lydia confronts her mother about her marijuana smoking habit.