1951, Ireland

On the windswept Cork coast, the lighthouse-keepers’ wives wait, watching the sea. Their husbands are coming home. But one secret can never be revealed.

2023, Maine

Decades later, Mollie Kenefick receives an anonymous note: Family secrets never stay buried. The only person she can ask is her grandmother – however, Beth made a vow that she swore never to break.

But someone knows what happened that summer in 1951, and it seems they’re not happy keeping silent …