A little while later Emma tells you the girls need you

You go back to your bedroom to download the video you took onto your computer. You need to free up some space before filming the girls doing more of these dares.

Just as your video file finished transferring, Emma bursts in and tell you that you're needed.

"We're playing truth or dare and we need your help for one of the dares, honey."

You play dumb and try to act surprised that they were playing Truth or Dare. If Emma knows that you were spying she certainly doesn't care.

You agree to help out.