Clock Tower 3
After receiving a strange letter from her mother, encouraging her to hide until her 15th birthday passes, Alyssa Hamilton instead returns home from boarding school. When she arrives, her mother is gone and only one of the lodgers is in residence, a wayward stranger known as the Dark Gentleman.
In Alyssa's concern for her mother, she decides to check her mother's room (Alyssa's father died when she was a baby) to find not a clue; however, almost randomly a piano starts to play wildly. Alyssa becomes terrified to such a point that she runs out of the bedroom only to be transported to London during World War II.
After evading the bombing Alyssa continues to a tailor shop where she sees a grisly murder of a little girl by the hands of a man wielding a sledgehammer, who then stalks Alyssa in attempt to kill her.