The pride of Gentryville, Indiana, small-town slugger Elmer Kane (Joe E. Brown) is the king of batters, celebrated for his ego, appetite and game-winning home runs. So when the Chicago Cubs attempts to sign him to a contract, Elmer refuses if it means leaving Nellie (Patricia Ellis), the woman he loves. So when she pretends to spurn him, a forlorn Elmer packs his bat and heads to the Windy City. Taking the city by storm, Elmer leads the Cubs to the pennant. But when gamblers try to get him to throw the Series. Elmer must find a way to outsmart the crooks if he's to win both his girl and the games.