 The main plot involves a murder as the result of "ideological intoxication," and depicts all the disastrous moral and psychological consequences that result from the murder.Raskolnikov's psychology is placed at the center, and carefully interwoven with the ideas behind his transgression; every other feature of the novel illuminates the agonizing dilemma in which Raskolnikov is caught.From another point of view, the novel's plot is another variation of a conventional nineteenth-century theme