When Eve finds a hidden set of journals kept by Jeff's first wife Margaret, she gains insight into the extent of his violent personality. Margaret's writing is haunting, schizophrenic and yet poetic. It reveals certain truths about Jeff that Eve has denied for so long. Eve becomes obsessed with comparing Margaret's life story with her own. As Eve's own narrative turns less reliable, Jeff insists she relinquish the diaries, but she refuses. When Margaret begins addressing Eve by name in her psychotic prose, Eve becomes terrified and descends into emotional self-destruction.Eve begins to believe she is in imminent danger. In an attempt to escape harm, she recreates a traumatic experience from early on in her marriage to Jeff. Intentional Fallacy is the last in the five book series chronicling the relationship between Eve and Jeff Lambert.