Elegant, proper Grace and freewheeling, eccentric Frankie are a pair of frenemies whose lives are turned upside down - and permanently intertwined - when their husbands leave them for each other. Together, they must face starting over in their 70s in a 21st century world.

Emily is a quiet girl who comes from an unusual family. On the night of her 18th birthday, they gather together to reveal an important secret to her. It’s a secret that will shape the rest of her life…