It's called the Event An unimaginable cataclysm in the 23rd century shatters 600 years of the Earth's timeline into jumbled fragments Our world is gone instantly replaced by a new one made from shattered remnants of the past present & future all existing alongside one another in a nightmare patchwork of different time shards-some hundreds of miles long & others no more than a few feet across San Diego native Amber Richardson is stranded on a tiny fragment of 21st century Britain surrounded by a Pleistocene wilderness She crosses paths with Cam a young warrior of a tribe from Roman Brittania & together they struggle to survive-only to be imprisoned by Cromwellian soldiers One of their captives is a man who Amber calls Merlin & who claims to be the 23rd century scientist responsible for the Event Together they must escape & locate Merlin's ship before the damage to the timeline is irreparable