Laura Glass's life seems perfect. She's beautiful, wealthy, her husband loves her and their teenage kids Leo and Jemima are at good schools.
Then one day Laura's happiness is shattered when she sees her husband kissing a young woman in a doorway. Some of Laura's friends tell her to divorce him; others say ignore it. Instead Laura goes off on an adventure of her own with the beautiful young Jed. On their return, seeing that her husband is still continuing his affair, she invites his lover to live in their home. And Jed too, just, for good measure.