A beautiful French chateau Jo Lawless is still grieving her husband when his oldest friends invite her to a weekend house party in France. She goes, hoping their shared loss will bring them closer together. An unexpected guest But the get-together is disrupted by the arrival of an unexpected guest. Long-buried secrets begin to emerge, and it's clear that someone is bent on revenge… A night that will end in murder The cold light of the next morning reveals a horrifying discovery. And the killer isn't finished. A storm is coming, and no one at this party is safe…