Two nemeses become bonded jilted wives after their husbands reveal they have been having an affair with each other since the 1990s and now plan to get married.

The messy realities of divorce start to sink in for Grace, Frankie, Robert, Sol and their equally frazzled adult children.

Grace and Frankie decide to go back to work. Robert and Sol have an awkward dinner party for their children.

Emotions run high when a funeral throws Grace, Frankie, Robert and Sol together in public for the first time since the split.

Grace has an eye-opening experience when she goes out for frozen yogurt with Frankie and Briana on a Saturday night.

Sol takes care of Frankie after she has an earthquake freak-out, while Grace goes on her first date. Coyote pays Mallory a surprise visit.

Frankie, Grace and Briana have unexpected encounters when they try new ways to deal with being single.

Frankie takes a new look at her Yam Man Jacob, while Grace and Guy get closer. Bud and Coyote have a brotherly talk. Sol is terrified of Briana.

Briana tries Frankie's homemade organic beauty product. Robert finds out about Guy and Grace. Frankie tries to set boundaries with Sol.

After they sign the divorce papers, Frankie, Grace, Sol, Robert and Bud remember a pivotal weekend from five years before.

Grace tells Frankie a secret that Frankie shares with Sol, setting off multiple arguments in both houses. Briana gets closer with a co-worker.

Bud and Coyote ask Briana and Mallory to help them throw Sol and Robert's bachelor party. Grace offers to do ANYTHING to cheer up Frankie.

As the wedding day approaches, Grace and Robert have problems expressing themselves, while Sol and Frankie finally clear out their old house.