Willie Mays' life is a beacon of the "American Dream", intersecting with a transformative era of the Black American experience. Mays transfixed fans from coast to coast with his style, jubilant persona and contagious smile, and helped to erode racial barriers and move the sport of baseball, and the American dialog, forward. Say Hey, Willie Mays. follows Mays' life both on and off the field over five decades as he navigated the American sports landscape and the country's ever-evolving cultural backdrop, all while helping to define what it means to be one of America's first Black sports superstars. He left an indelible mark in New York City and San Francisco, building a love affair with both cities' fans.—HBO