Ellery Queen, Master Detective

The mysteriously ill John Braun makes a new will, leaving out his daughter Barbara, over the protests of his wife. The trouble began when the daughter wanted to marry Mr. Braun's doctor, James Rogers. Mrs. Braun asks Inspector Queen to help find the long-missing Barbara. The inspector's son, Ellery, works on the case. He goes to a home frequently visited by Dr. Rogers where the bell is answered by Nikki Porter who Ellery mistakes for Barbara and insists she return to the Braun home. (imdb)