Former friends, now enemies, race to find the Witness in 1904, who, at last, reveals his face.

The reason why the Witness wants to destroy time and all reality is revealed.

The final battle with the Witness begins.

The final battle against the Witness as the fate of time and mankind hangs in the balance. All the pieces finally come together to mark the end of the beginning.

When all hope is lost, Cole must complete his cycle so that his younger self will one day arrive at the end with the answer.