Finn is furious when his parents head off on another scientific mission to the other side of the world, and he has to stay with his grandmother on her farm in southern Manitoba. Not only are the kids at school far less than welcoming, he also has to deal with his cantankerous great-grandfather who doesn't seem to want him around. The Red River flowing by their property is the only thingthat provides him peace –and a weird friend, the mysterious Angus.