In the desolate wilderness of the disappearing islands along the Brahmaputra river, 12-year-old orphan Afrin is coming of age. When heavy rainfalls and flood waters ravage Afrin's island, she refuses to surrender to its deadly tides. Afrin rows herself in a wooden boat toward the teeming metropolis of Dhaka to find her estranged father among the millions of climate refugees. Forced to grow up fast, Afrin must confront the mysteries of a sinking world.