Two runners race a cargo train through the darkness of a rat-infested tunnel beneath the Detroit River. A drugstore bicycle courier crosses a forbidden threshold in an attempt to save a life and a young swimmer conquers her fear of water only to discover she's caught in far more dangerous currents. An auto-worker who loses his family in a car accident is forced to reconsider his relationship with the internal combustion engine.

Miracle mile -- Wonder about parents -- Light lifting -- Adult beginner I -- The loop -- Good kids -- The number three.