Plans... that you don't know.

Jessica walks to the wardrobe and opens it. "Now, let's see here..." she remarks.

There are a million thoughts rushing through your head. Jessica has the amulet? What does she want to do with it? What does she need Mom for? How did she get the thing in the first place?

Creeeeeak... goes the floorboards.

"Hmm?" You freeze. "...Must have been my imagination," shrugs Jessica as she starts putting clothes on.

One's things for certain: you don't want to get caught. The things she could do to you now are horrendous.

You sneak back to your room. A while later, you hear the front door opening and closing, and the car driving off into the night. It could only be Jessica.