Emma Makepeace is about to have the longest night of her life.She's on her first major operation with a shadowy government organisation known only as 'the Agency', assigned to track down and save an innocent man wanted by the Russian government.All Emma has to do is bring him in to MI6 before sunrise, and before an assassination team gets to him first.But the Russians have hacked the city's CCTV cameras. There are spies all over London searching for them. And Michael Primalov doesn't want to be rescued.As London sleeps, a battle is taking place on its streets as Emma fights to keep Michael alive. Along the way she finds she has more enemies than she realised. And more strength than she suspected.But what sort of reception awaits them if and when they do get to MI6?And why do the Russians seem to be ahead of them every step of the way?