Seven Keys to Baldpate

This episode presents the story of William Hallowell Magee, a TV writer, makes a $5,000 bet with a friend, the owner of the deserted Baldpate Inn in New England, that he can write a TV mystery in 24 hours. Magee arrives at the inn in the dead of winter with, supposedly, the only key. However, mysterious intruders, each with their own key, disturb his concentration. He discovers that there are six other people with keys. There is the theft of $200,000 left in the safe and one of the intruders, Myra, is killed. The whole situation turns out to be a hoax.