It all started on the 7 of July

Brandon was sat at his family's mansion having a cup of nice sweet English brew then all of a sudden Brandon heard his 7 year old sister scream a sound of pain and when he went up to her rooms the balcony door was smashed and on the wall next to it was a letter. Woried Brandon grasped the note and ran to his bedroom to read what it says

your sister is in my possession

and if you don't reach me by the 7th of August

your sister will be no more

/Your worst nightmare/