‘911 what’s your emergency?’

‘My dad’s dead. My sister Sofia killed him. She’s still in the house. Please send help.’

‘My dad’s dead. My sister Alexandra killed him. She’s still in the house. Please send help.’

One of them is a liar and a killer. But which one?

‘Steve Cavanagh writes the best hooks in the business’ – Mick Herron. ‘Absolutely brilliant. Addictive, clever, pacy. Eddie Flynn is one of my heroes.’ – Jo Spain