Despite their stark personality differences, Grace and Frankie strike up a bond when they both seek escape at the beach house the couples share. The news quickly spreads to their horrified children. The men also reveal that they have been having an affair with each other for more than 20 years.
Grace Hanson and Frankie Bergstein are brought to dinner by their lawyer husbands, Robert and Sol, under the assumption that the men are going to announce they are retiring, but the women are shocked when their husbands reveal they are actually leaving them, for each other, and want to get married now that same-sex marriage is legal.