sentences:  To prepare to be submerged in a box in the chilly Detroit River, Harry bathes in an ice-filled bathtub.During the trick, which takes place on Halloween, the chain holding the box breaks, and the box drops upside down into an opening in the ice-covered river.Although Harry manages to escape from the box, the current drags him downstream, and he struggles to find air pockets under the ice and swim back to the opening.