For as long as they can recall, Grace and Frankie have been rivals. Their one-upmanship comes crashing to a halt, however, when they learn that their husbands have fallen in love with each other and want to get married. As everything around the ladies is coming apart, the only thing they can really rely on is each other.

"Frankie is stunned by Grace's news, but she buries her feelings, until everyone gathers together to send off Bud and Allison. While Frankie tries to adjust to living alone, Grace arranges a family dinner that takes an awkward turn. Robert and Sol plan a honeymoon trip. Grace's insecurities flair at a lavish fundraiser, where Frankie gets swept up in the silent auction. Sol hosts a game night to distract a worried Robert."--Container.