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.　　每年情人節，聖文森特學院都會出現一個幽靈，在聖母樹現身。它將象徵相思的聖母樹化作恐懼之源，迫使一位超自然物理學家着手調查其邪惡的起源。