 Five years after an company executive was driven to suicide by jumping out of the seventh floor of corporate headquarters, his illegitimate son exchanges identity with an old friend in order to marry the handicapped daughter of the corrupt industrialist he holds responsible. Using his position as his father-in-law s personal secretary, he gathers enough evidence to coerce lower echelon members of the corrupt organization to expose their unscrupulous superiors. His task is complicated when he finds himself falling in love with the dishonest executive s daughter.