After Gary reads that Pedro Mendoza, a rookie pitcher for the Chicago Cubs, is going to pitch a no-hitter. Chuck convinces him to attend the game. But when Chuck inadvertently changes the course of the day's events by taking a cab meant for the ballplayer, the story is replaced by an item about the pitcher being injured while on his way to Wrigley Field. After preventing Pedro's impending accident, Gary races to protect a restaurant owner from being seriously injured by a loan shark. When it turns out that the man is Pedro's brother, Gary and Chuck find themselves in the middle of another potential tragedy. They read that the brother will be killed and the ballplayer's arm will be broken by the menacing thugs. With only a few hours left, the duo must try to save the day so Pedro can pitch the game and still make the history books.