Book Club (2018) on Netflix

Plot summary

Diane, Vivian, Sharon and Carol have met monthly for their book club for years, taking turns choosing the book. Vivian picks Fifty Shades of Grey, and though Sharon and the others are reluctant, they agree to read it. Vivian, who turned down Arthur's proposal years ago and has kept to brief flings since, runs into him again; he is recently divorced and asks her out. Carol is married to Bruce, who has not been intimate with her in months and spends his time fixing an old motorcycle. Diane, recently widowed, meets Mitchell on a flight to her daughters and they hit it off. Sharon, recently divorced, signs up for online dating after learning that Tom, her former husband, met Cheryl, his fiancée, on a dating site.