Challenge #727: klaxon

[primsong]

Welcome to dw100. Challenges are posted approximately once a week.

Challenge #727 is klaxon.

The rules:

• All stories must be 100 words long.
• Please place your story behind a cut if it contains spoilers for the current season.
• Remember, you don't have to use the challenge word or phrase in your story; it's just there for inspiration.
• Please include the challenge word or phrase in the subject line of your post.
• Please use the challenge tag 727: klaxon on any story posted to this challenge.