Boots and friends have enjoyed many fun adventures during the past two years. Now they are faced with an inevitable part of life. Cappy, the elderly mountain goat, is nearing the end of his physical journey. Granddaughter, Scarlet, is very close to her grandfather. When Cappy leaves the goat herd, without an explanation, Scarlet is frantic to uncover the mystery behind his disappearance. Young Scarlet leads her wilderness friends in a "celebration of life" as she and her friends honor her beloved grandfather. Join Scarlet, Boots, Chinook, Sockeye, Pepe, Cyrus and Blizzard as they trek along the rugged mountaintop in search of Cappy and the secret cave.