Secrets can kill. But will the truth set him free?

Fifteen years ago, Detective Nap Dumas' twin brother was found dead on the railway tracks near his home. Most people concluded it was a tragic suicide. Nap did not.

Now, after years of searching for answers, he believes he may have finally found what he's been looking for. But Nap is a cop who plays by his own rules. And when the past comes back to haunt him, he discovers secrets can kill .

'The master of the double-twist' The Times

'Simply one of the all-time greats' Gillian Flynn

'The modern master of the hook and twist' Dan Brown

'As moreish as ever' Sunday Times