Mike (Bruce Willis) is a famous child psychologist, but he has a patient who has never been cured and was even shot. The teenager then shot himself. This brought a great psychological shadow to Mike. A year later, he found another boy named Cole (Haley Joel Osment) whose symptoms were very similar to this patient, and patiently became his doctor. Cole was not easy to approach, but Mike slowly won his trust and learned Cole's secret. It turned out that Cole had a supernatural sixth sense and could see ghosts. Although this was unbelievable, Mike helped Cole accept this fact after confirming the truth of the matter. But just when the problem was about to be solved, Mike discovered a more shocking secret under Cole's guidance...