Jo Lawless is still grieving her husband when his oldest friends invite her to a weekend house party in France. She's always felt like an outsider in the group but she decides to go, hoping their shared loss will bring them closer together. But the get-together is disrupted by the arrival of an unexpected guest, whose presence brings old tensions to the surface. Long-buried secrets begin to emerge, and it's clear that at least one person is bent on revenge... 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...-- Back cover.