Vlogger Keith Gill sinks his life savings into GameStop stock and posts about it. When social media starts blowing up, so do his life and the lives of everyone following him. As a stock tip becomes a movement, everyone gets rich—until the billionaires fight back, and both sides find their worlds turned upside down. David vs. Goliath tale about everyday people who flipped the script on Wall Street and got rich by turning GameStop (the video-game store) into the world's hottest company.