The third part of the adventures of the brave chipmunk. On one tropical island, where summer never ends, lived the most ordinary chipmunk. His name was Sim. One day a story full of dangerous adventures happened to him. Sim found himself far from his home island. Fate brought him to a distant country, where the life of chipmunks is not at all as simple as in the hot tropics. But our hero managed not only to survive, but also to find new friends. And yet, no matter how fun he was with his new friends, Sim was determined to return home...