Strange anomalies are ripping holes in the fabric of time, allowing creatures from the distant past and far future to roam the modern world. Evolutionary zoologist Nick Cutter and his team must track down and capture these dangerous creatures and try to put them back where they belong.

When an Entelodon goes on the rampage down Oxford Street in central London, causing untold damage and loss of life, Cutter decides to investigate a new approach to tackling the anomalies. However, a violent encounter with a mysterious Russian scientist exposes the team to a terrifying new complication...

When Cutter, Abby and Connor disappear without a trace, Lester and Jenny must use every trick in the book to try to track them down...