The document summarizes a story about a dog named Buster. Buster's family was going on a ski trip to Scotland but Buster couldn't come. However, Buster ended up secretly going along. While in Scotland, Mr. Baxter got trapped in an avalanche. Buster smelled Mr. Baxter and went to get help, saving his life. In the end, Buster received a medal for heroically rescuing Mr. Baxter.