As dawn breaks on a snowy February morning, a refrigerated lorry is found parked in the heart of London's Chinatown.
Inside twelve women, apparently illegal immigrants, are dead from hypothermia.
But in the cab, DC Max Wolfe finds thirteen passports.
Twelve dead women. Thirteen passports. The hunt for the missing woman will take Max Wolfe into the dark heart of the world of human smuggling, mass migration and 21st century slave markets.