A middle-aged man starts exercising on a stationary bike in his apartment building after being warned about his high cholesterol levels. As he gets physically fit, he becomes increasingly convinced that someone is secretly observing him during his daily rides.
The Stationary Bike
As Richard pedals away on his stationary bike, he's not just burning calories - he's also burning with paranoia, convinced that someone is lurking just out of sight, tailing him on his daily rides.