America is in turmoil. In the wake of a disputed election, simmering political tensions threaten to boil over into violence. Ethnic, racial and religious intolerances are rampant. A divide remains between those who supported or opposed a recent war. The year is 1880. During this conflict, a ship wrecks upon a Maine island. The light keepers rescue the crew and passengers, finding one armed with a pistol and ancient grievances. The keeper faces his most dangerous enemy and greatest possible loss.