Clover Jones and Laura Dangerfield have been best friends since their children were born. Along with Clover's stylish, powerful friend, Alice, they share holidays, sleepovers, school runs and childcare. They're like one big family.

But all families have their secrets. When the children leave home, Clover and Laura's lives and marriages change forever, and the old rules on love and loyalty no longer apply.

And when Alice decides she wants what they've got, Clover and Laura have to find out who they really are. Without the children, can their marriages - and friendship - survive?