Hannah has been running --- literally and figuratively --- from her life back in Australia. Whenever she’s not working, she’s pounding London’s streets, putting the past behind her. Then she meets a fellow Australian named India, and Hannah is entranced. India is confident, exotic and charming --- qualities that Hannah feels she’s desperately lacking. India has a secret, too. It is currently sealed in a love letter and is making its journey across Europe in the most unconventional way --- through the hands of strangers as they pass on the street. Before the letter with India’s deepest, darkest secret reaches its destination, can the women find the connection that will take each of them exactly where they need to go?

Overwhelmed at the office and reeling from betrayals involving the people she loves, Poppy feels as if her world has tipped sideways. With her colleague, Annalise, she creates an invitation-only Facebook group that quickly takes off. Suddenly, Poppy feels like she’s back in control --- until someone begins leaking the group’s private posts and stirring up a nasty backlash. Feeling judged by disapproving female colleagues and her own disappointed children, Frankie, too, is careening towards the breaking point. She also knows something shocking about her boss. As things begin to slide disastrously and dangerously out of control, carefully concealed secrets and lies are exposed with devastating consequences.

Joni, Deb, Eden and Trina had always looked forward to the vacations they spent together. But the demands of careers, husbands and babies gradually pulled them apart, and now their annual getaways may be a thing of the past. Joni doesn’t want to lose her friends, and this year she’s coaxed them all back together for some fun at a beach house. Late one night, the women dare one another to write anonymous letters, spilling her most intimate thoughts. But the fun game meant to bring them closer together turns painfully serious, exposing cracks in their lives and their relationships. Days later, Joni notices in the fireplace a crumpled and partially burned fifth letter that holds the most shattering admission of all.