A ghost at St. Vincent's College manifests yearly at the Virgin Tree on Valentine's Day, turning a symbol of yearning into terror and compelling a para-physicist to investigate its sinister origins. 　　每年情人节，圣文森特学院都会出现一个幽灵，在圣母树现身。它将象征相思的圣母树化作恐惧之源，迫使一位超自然物理学家着手调查其邪恶的起源。