Directed by veteran Hollywood sound editor Midge Costin, the film reveals the hidden power of sound in cinema, introduces us to the unsung heroes who create it, and features insights from legendary directors with whom they collaborate. Featuring the insights and stories of iconic directors such as George Lucas, Steven Spielberg, David Lynch, Barbra Streisand, Ang Lee, Sofia Coppola and Ryan Coogler, working with sound design pioneers–Walter Murch, Ben Burtt and Gary Rydstrom–and the many women and men who followed in their footsteps.