Dan Acton and Dr. Phillip Randall have worked for the same Institute for years but never met. What twist of fate brings them together somewhere else?
Their personalities are incompatible: Dan an extroverted optimist; Phillip a moody, irascible misanthrope. Were they destined to fall in love?
Their projects are unrelated: Dan developing a means of viewing historical events in real-time, Phillip scanning and retrieving human memories. Will combining their projects lead them to change the whole universe? Or destroy it?