When a distant storm knocks out the power at his high school, Cam and his friends head out for burgers. On their way back to pick up Cam's little brother, Peter, at the bus stop, they are caught up in the middle of a deadly tornado. Cam manages to survive and makes his way home only to discover that his house has been destroyed and his parents are locked in an argument that ends in a startling revelation. And Peter is still missing. Cam must battle extreme weather conditions to find his brother, as his already fragile family is being torn apart by secrets.