Adam, Mark, and Abi suffer from relentless physical, mental, and emotional abuse at the hands of those meant to protect and love them. Their only respite is by the river, a temporary haven where they can play and forget their troubles, if only for a moment. One day, while walking home from school along the riverbank, they heroically save an otter and her pups. However, their noble act leaves them dirty and wet, and they dread the inevitable punishment...