You and Ace are Paranormal Ghost Investigators, your both investigating Raynham Hall in Norfolk England, you both traveled there to investigate.

You and Ace both had ghost equipment  to sense,talk,etc with spirits, Ace made you stay in a room alone to speak with the spirits and some.. things happen..

You were speaking with them and you started feeling nauseous and lightheaded you felt like passing out, you yelled for Ace but there was no answer.. you passed out in the room..