A quiet city square, people strolling by, children running. An old man sits having a sandwich with his granddaughter on a bench. He has a heart attack and fall to the ground. The last thing he hears is 'Grandpa...' as time stands still. We travel away from the square and across the town, down streets, through buildings, into rooms and along corridors, catching glimpses of people and snatches of sound as they exist in that one instant. Gradually the human condition unfolds before our eyes. We finally arrive in a street of terraced houses, where, in an upstairs bedroom we discover a baby being born. Time starts again.