First Deadly Sin | 1979
New York police sergeant Edward Delandy is just beginning to work on a brutal murder case when he learns that his wife's illness has gotten worse after an operation. Depressed by this news, Delaney puts all of his energy into the new case. After several leads that go nowhere, Delaney's investigation finally takes him to a businessman who seems to be leading a double life. As his wife's health deteriorates hourly, Delaney is engaged in psychological warfare in his efforts to catch the killer.