Scared and pregnant, fifteen-year-old Cathy Lambert ran away from her Dublin home. Settled in New Zealand with her new son Conor, she believed the secret she carried would never be revealed ... When Rebecca Lambert's parents died she took responsibility for her younger sisters. Now, she is still haunted by fears she hoped she'd conquered. And mother of three Julie Chambers is determined to recapture the dreams of her youth. Meanwhile Lauren Moran embarks on a love affair that threatens to destabilise her fragile world ... Anxious to make peace with her three sisters, Cathy invites them to her wedding. And their journey together through New Zealand, towards their reunion, forces them to confront the past as the secret shared histories of the Lambert sisters are revealed.