Molly's mother has been away for two weeks helping deliver supplies and is due to come home in the evening, so Molly and her father decide to host a welcome home party for her, which will include Cloudberry Pie, her very favorite. After getting some hand written directions to find cloudberries from Grandpa Nat, Molly, accompanied by Trini and Nina, head off to a trail that leads to the spot Grandpa Nat had suggested. The hiking trip is also an excuse for Nina to try to take a photograph of a butterfly for her brother, so while she tries to get a photo of the butterfly when she gets the chance, Molly and Trini go to look for the cloudberries...