Rusty is a rather lazy Bear, especially fond of good food and a lot of sleep. She lives in a deep, vast forest. At the heart of this immense woodland, she has a cozy, clean, and well-organized treehouse. At a certain point, her life is getting a bit boring. A good friend would be a pleasant and welcome change. One day, a stranger suddenly comes along. With this stranger, she experiences strange, funny, and very crazy things. An exciting adventure begins when they both go on a journey together in search of the place where he came from. Will the stranger eventually become her best friend, the friend she longed for so much?