Scout and her faithful canine companion navigate a drowned American landscape fractured into isolated islands, where an endless river has become their only path to survival. Adrift on a handcrafted raft, the young girl pushes downstream through decaying ruins and tangled wilderness, searching for a place of refuge in a world reclaimed by water. Confronted by the river's unpredictable perils and the unforgiving natural elements, Scout must scavenge, strategize, and persevere to survive her hazardous voyage across a flooded continent abandoned to nature.