A group of strangers are forced to take shelter in a remote house - and then the murders begin...

'A new Ellery Queen book has always been something to look forward to' Agatha Christie

'Ellery Queen is the American detective novel' Anthony Boucher

When Ellery Queen and his father take shelter from wildfires in an isolated manor, they don't expect their detective skills to be required. But the next morning a body is discovered. The suspects include a society beauty, a highly secretive valet, and a pair of conjoined twins.

When another murder follows, and the only clue is a torn playing card, Queen must use all his powers of deduction to unpick a web of alibis, motives and evidence, before the killer strikes again.