Daddy drives a big red tanker truck, and he's away on the road a lot. But once in a while, he's near enough to pick up his little boy from preschool. And today is one of those very special days! All day as he plays at school, the little boy pictures Daddy's truck making its way toward him. Meanwhile, Daddy pushes on, down the highway, over mountains, through tunnels, and uh-oh—into a horrendous traffic jam! Now all the other mommies and daddies have come to pick up their kids from school. But where is Daddy?