Nine-year-old Molly Brown lived and breathed "that river". After her mother died, it was just Molly, her dad Paul, and Cappy, her ailing grandfather. As Cappy's medical bills mount, Paul is faced with the decision to sell the family home and move away. But Molly can't bear the thought of leaving behind all she has ever known...especially the river. She begins to ponder a story her mother used to share. According to legend, a dying soldier hid his stolen gold somewhere down river, enough, Molly was sure, to solve all of her problems! Molly's mother had researched the legend but never searched for the gold. Could Molly finish what her mother started? Cappy was too sick to help and Paul just didn't believe. So it would be up to Molly and her friends, the "li'l river rats," to find the treasure. the quest for lost treasure and a make-shift boat will take this rag tag group of kids on an adventure they will never forget. With every journey, faith, truth, and courage!