Midsummer, and in an unassuming house on a quiet residential street on the edge of brockwell park in south London, a husband and wife are discovered. Badly dehydrated, they've been bound and beaten, the husband is close ...Midsummer, and in an unassuming house on a quiet residential street on the edge of brockwell park in south London, a husband and wife are discovered. Badly dehydrated, they've been bound and beaten, the husband is close to death. But worse is to come: their young son is missing.