Amongst Our Weapons

The London Silver Vaults - for well over a century, the largest collection of silver for sale in the world. It has more locks than the Bank of England and more cameras than a celebrity punch-up. Not somewhere you can murder someone and vanish without a trace - only that's what happened.

Alongside their boss DCI Thomas Nightingale, the Special Assessment Unit find themselves embroiled in a mystery that encompasses London's tangled history, foreign lands and, most terrifying of all, the North!

And Detective Constable Peter Grant must solve this case soon because back home his partner Beverley is expecting twins any day now. But what he doesn't know is that he's about to encounter something - and somebody - that nobody ever expects...