Told largely through his own words, this funny, intimate and heartbreaking portrait of Robin Williams looks at the life of the comedy legend, focusing on what he brought to comedy and to the culture at large--from the wild days of late-1970s L.A. to his death in 2014. The film explores his extraordinary life and career, revealing what drove him to give voice to the characters in his mind. With previously unheard and unseen glimpses into his creative process through interviews with Williams, as well as home movies and onstage footage, this insightful tribute features in-depth interviews with those who knew and loved him, including Billy Crystal, Eric Idle, Whoopi Goldberg, David Letterman, Steve Martin, Pam Dawber and his son, Zak Williams.