Loyalties are stretched to the maximum when Axel and the team are approached by a visitor from the future. He has a mission for them. He wants them to kill an innocent man by the name of James Price. If they don't, the world is doomed.
Their refusal sends them forward forty years in time where they see the repercussions of letting James Price live. The Earth has been devastated and mankind is on the brink of extinction.
They need to survive this terrible new world and return to the past. But is it right to kill an innocent man? Even when they know what his future will produce?
And if the decision to change history is not difficult enough, it is what Axel and Brodie learn about themselves that will change their relationship forever...