"Scientist Beth Darlow has discovered the unimaginable. She's built a machine that allows human consciousness to travel through time-to any point in the traveler's lifetime-and relive moments of their life. An impossible breakthrough, but it's not perfect: the traveler has no way to interact with the past. They can only observe. After Beth's husband, Colson, the co-creator of the machine, dies in a tragic car accident, Beth is left to raise Isabella-their...