A railway worker moves to another city and experiences a love affair with a suburban prostitute. Their encounter disturbs his solitude, and the two begin their life together.

A man and a woman, each with a stable marriage of their own, meet in the wagon compartment. The short encounter of two strangers causes restlessness within their personal views about the world, implying possible romance. Once the train reaches its destination, they go apart without a single word spoken, and return to their world of security.

The Smiths are a traditional couple from London who have invited another couple, the Martins, over for a visit. They are joined later by the Smiths’ maid, Mary, and the local fire chief, who is also Mary’s lover. The two families engage in meaningless banter.