Ned pursues her, but Katya escapes in a rocketship.

The note accompanies a drawing in a childish hand.

Or is it? as you look more closely, you see that the lines lack the shakiness of a young artist, and are instead strong and smooth. The letters are just crude and backward enough to seem a little strange, as if a practiced writer was deliberately disguising their style.

You are suspicious. But it isn’t until you hold the sheet to the light that your suspicions are confirmed.