Answer briefly but completely in sentences.
What are the men talking about?
They are discussing a proposed trip they are planning to take. It is a very secret venture and involves their families.
What is the mystery about the
evening?
The mystery is about their work has been changed a bit and that makes their trip more dangerous.
Why is leaving earlier more
difficult?
The man who has been bribed at the gate has been changed. They don't know if they can get to the ship safely.
How do you know the man in the
hat is a spy?
He is too oily and smooth in discussing their possible plans. He wants them to believe he knows about what they have in mind.
What are the main characters
going to do?
They have to leave their homes and leave for a much safer place than where they are living now.
How do the actions of the
people indicate nervousness?
They are not very interested in their card game; they don't seem to be able to concentrate on what is going on; the potential spy makes them very nervous.
What does the spy want?
He wants to know for sure what they are going to do and if they are leaving, he wants to go with them.
Where did you think the
travelers came from? Going where?
We are given the hints that they are earthlings and the earth is about to be involved in a nuclear war. They have studied and reseached enough that there is another planet close that they will be able to live on. It's only the end of the episode that tells usthat they are on the other planet and are planning to come to earth, which when this episode was made, was in its own severe problem of avoiding a nuclear war.