Sarah Heathcliff is a minor character in Act 1 and a supporting protagonist in Act 2. Being the younger sister of Mark Heathcliff and the founder of the Bythorne Paranormal Club in Bythorne High, Sarah would inadvertedly set in motion her own and many other's downfall by allowing Adam Murray to enter the club, who in turn would convert it into the inter-county paranormal investigation society, the Bythorne Paranormal Society.