Liane Moriarty meets Jodi Picoult in this tensely negotiated story of family ties, betrayal and sacrifice.

Alice Hunter is smarting from the raw deal life has thrown her way: suddenly single, jobless and forced to move home to her parents' tiny seaside town. And now she faces an uncomfortable truth. She wants her twin sister Libby's enviable life.

Libby's closest friend Jess Dekic has been around the Hunter family for so long she might as well be blood. She's always considered herself a sister closer to Libby than Alice ever could be...

Libby Hunter has all of life's boxes ticked: prominent small-town doctor, gorgeous husband and two young daughters. But when she is betrayed by those she loves most, it reveals how tenuous her world is...

For Karen Hunter, her children are a double-edged sword of pain and pride. She's always tried to guide her girls through life's pitfalls, but how do you protect your children when they're adults?

As the family implodes, the fallout for these four women will be inescapable...