A visual novel centered on university student Maddie as she encounters various mysteries and the characters involved in them.

University student Maddie Washington encounters a man named Adam, who has apparently lost his memory and is drawn towards her by a mysterious "call". As the mystery deepens, she encounters other characters, who offer some answers, but also more questions. Along the way, Maddie has to choose how closely she wishes to let each of them get to her, physically and emotionally, ultimately deciding the final resolution to both the mysteries of the mind and the heart.