Fluff, the rhinoceros Ruff is pet-sitting, has just destroyed several valued items belonging to his roommate, Blossom. When Ruff's attempts to paste, tape, and glue the items back together fail miserably, his kid viewers introduce him to "plarn," a versatile material made from plastic bags that can be woven, knit, or crocheted to recreate the items Fluff shredded.