Jamie Grant is a Time Runner -- recruited by his friend Anna to help fix problems with time and keep history on track. They're heading back through time to Elizabethan London to try to prevent an assassination.

But the man they're looking for is no ordinary killer. Dressed in a modern business suit and with a high-powered sniper rifle, his sights are set on Will Shakespeare and changing history -- if Jamie and Anna don't stop him.

Their old enemy, Darkling Midnight, wants to form an alliance against the assassin. But can he be trusted? As the Spanish Armada, wrecked and defeated eight years previously, surfaces from the watery depths and soldiers who should be long-dead leap ashore to invade England, Jamie and Anna realise that nothing is quite as it seems. And it will take all their courage and ingenuity to defeat their sinister enemy...