Lines of Force opens with footage of a dramatic explosion. For most of the piece, the screen is divided, into a triptych at first, and slowly into horizontal and vertical bars. Electronically manipulated footage shows a man walking, a marching band, ferns, cartoons, a window, and a train arriving on a set of tracks. The naturally occurring lines in the array of images presented mirror the electronically created bars and lines that divide the screen. Natural scenes provide a respite from the frantic pace of the images.