New Orleans: Then. Alone in The Big Easy, Selina is struggling to fit in. When a charismatic stranger invites her for a drink, she's grateful for the company - but as their friendship grows, she can't help but sense a darkness within her new friend. Who is Daniel, and what does he want from her? London: Now. Daniel is missing. No one has seen or heard from him in weeks. Beside herself with worry, his sister Caroline hosts an intimate gathering in her beautiful home so those closest to Daniel can come together and compare notes. But all isn't quite as it seems as the dark truth of what really happened in New Orleans begins to emerge.