What holds galaxies together? What are the building blocks of the universe? What makes the universe look the way it looks today? Researchers worldwide try to answer these questions. We know today there is within the universe is a mysterious glue: Dark Matter. We know that it is out there. But we have no idea what it is made of. The show takes you on the biggest quest in modern astrophysics. You will see why scientists acknowledge the existence of dark matter. Join them on their hunt for Dark Matter with experiments in space and deep underground. Will they be able to solve the Dark Matter Mystery?