Grace and Frankie is a show on Netflix. It is a Netflix Original.
Grace (Jane Fonda) is married to Robert (Martin Sheen). Frankie (Lilly Tomlin) is married to Sol (Sam Waterson). In the very first episode, right at the start, the husbands announce they want to divorce their wives.
The reasons why the men want divorces is because they have fallen in love… with each other. And they want to get married.
Warning: There are tons of spoilers.