Ed Hutcheson, tough editor of the New York 'Day', finds that the late owner's heirs are selling the crusading paper to a strictly commercial rival       At first he sees impending unemployment as an opportunity to win back his estranged wife Nora       But when a reporter, pursuing a lead on racketeer Rienzi, is badly beaten, Hutcheson is stung into a full fledged crusade against the gangster, hoping Rienzi can be tied to a woman's murder                  in the 3 issues before the end of 'The Day      '