The hour I first believed

High school teacher Caelum Quirk and his wife Maureen are both employed at Columbine High School but it is she that is caught up in the shootings while he is away on a trip. Maureen survives but later, due to stress-related drug addiction, accidentally kills a young boy while driving. While Maureen is in jail, Caelum uncovers his ancestor's diaries, letters, and newspaper clippings revealing a past of secrets, guilt, and grief.