Leona, a brave girl from a quiet village, is drawn to a mysterious river known to sing at night. When her best friend, Maris, goes missing, Leona follows the river's song into a magical realm beneath the waters, where creatures of the stream hold the answers to an ancient mystery. Along the way, Leona learns the river's forgotten language and uncovers long-lost melodies. With courage, riddles, and the power of song, Leona must restore the river's voice and save her friend. This enchanting adventure teaches the power of stories and the songs that shape our world.