They say that everyone has their own secrets. Grace also has a secret, its name is Rose, and she was nine years old when she drowned in the river. For many years, Grace was tormented by the knowledge that she had become the unwitting culprit of this misfortune. However, her secret never surfaced. Much water has passed under the bridge since then. Grace lives with her beloved husband and daughters in a quiet Scottish village and is quite happy with life. But suddenly a phone call from an old school friend breaks the idyll. Orla threatens to reveal to everyone the truth about what happened that day on the river. And then everything dear to Grace will be destroyed...