THE CAT AND THE CANARY - 1978 - HONOR BLACKMAN

When an elderly man dies, some of his relatives gather to hear the reading of the will. When it is read by his attorney, the old man lets it be known how much he despised and loathed his worthless kin. As a result, his will is structured in such a way as to set up a dogfight between his potential heirs as to who will collect his fortune