His mother, who is living separated from her husband in Myrtle Beach, contacts him and asks him to return home to Coalwood to help his father.
Due to superstition ingrained in local custom, she is not allowed in the mine unlike the male engineers.
Homer Hickam, Jr. is one of three people working on the Coalwood team, which is led by a devout Pentecostal Christian (Johnny Basso).
The work becomes a race and a contest between the two teams, with the other miners placing bets on whether Coalwood or Caretta will win.
As the race goes on over the summer, so does the investigation of Hickam Sr. As the investigation unfolds, more mysteries are revealed, including the identity of a disabled worker still secretly on the coal mine's payroll, and the fate of the Hickam family's pet fox 'Parkyacarcass'.