For the first time ever, Rey Mysterio sits down and reviews his historic career, reflecting on his greatest matches and moments. This all-new interview features exclusive and candid comments from the Ultimate Underdog on his Sports Entertainment path through ECW, WCW, and WWE; his rivalries with Eddie Guerrero, Chris Jericho, CM Punk; his thoughts on battling men almost twice his size, and his emotional Cruiserweight, Intercontinental, and World Championship runs.