Challenge!: Write a complete story with a conflict and resolution, using only two characters. No other characters can even appear briefly, be discussed, referred to, or mentioned in the story. Both of the characters must have a large influence on the story line. (It's harder than you may think)
I went to confront noisy neighbours, only to find the windows dark, stuck with two notes. The ghost, too, had "gone fishing". Something still whistled. — Liminality