Buster is a half brown and half white smart dog who is the main character. When Buster's family goes on a ski trip to Scotland without him, he is snuck along by Ben in his bag. During the trip, Mr. Baxter gets trapped in an avalanche. Buster finds Mr. Baxter and goes for help, saving his life. In the end, Buster receives a medal for his heroic actions in rescuing Mr. Baxter from the avalanche in Scotland.