Sam's training as a Displacer is going well. His control over his powers is growing, he is learning new skills and he is thoroughly enjoying the time he is getting to spend with Rachel. Unfortunately, the time for fun and games is fast running out because there is a new shadow looming in the past and when Quentin Price launches his new attack on the time-line, it is going to be up to Sam to once again try to stop him.
Book 3 of the five part "Displacers" time travel series.