Former crime fighters Bob and Helen are now living "normal" lives with their children Violet, Dash, and Jack-Jack. But then Bob gets a chance to get back into action when a mysterious communication summons him to a remote island for a top secret assignment, and it takes the whole family to rescue the world from total destruction.

Four friends' lives are turned upside down to hilarious ends when their book club tackles the infamous "Fifty Shades of Grey." From discovering new romance to rekindling old flames, they inspire each other to make their next chapter the best chapter.