The fun-loving, easy-going, 60- to 75-year-old Senior Softball team "Kids At Heart" suddenly decide to go for their secret dream -- win the World Series (BEFORE IT'S TOO LATE!) Renaming themselves "Big Guns", they get serious and play hard, maybe a little too hard. Our sweet guys suddenly disappear! The joking stops! Madcap disasters strike the team! Illegal bats and booze, ringers and wild women bring out the worst in them! Finally even wise old guys think twice as they rediscover that love and their friendships are more important than winning.