Does the extensive scientific research done at Nevada's Yucca Mountain ensure that nuclear waste can be safely stored there for 1-million years? When a bright and seemingly happy young man suddenly jumps off a Las Vegas casino to his death, can those he left behind piece together facts to find out why he took his life? Navigating through these two concurrent stories, I explore the human need to know the truth. How do we try to predict the future through data collection and analysis? And what happens when the answers we desperately seek are not so clear?