When she nearly flunks gym class, Lisa is forced to take up a sport. She realizes that she's a natural at hockey, becoming the goalie for the Gougers, a pee-wee team coached by Apu. Lisa is a star player, but things get complicated when the Gougers face off against Bart's team. Years of sibling rivalry come out on the ice, but just as Bart is supposed to slap a penalty shot into the goal, he and Lisa realize that their loyalty to each other is stronger than their loyalty to their teams.