After investigating, it is revealed the culprit took three plane rides to create his alibi. Conan realizes the culprit had no ties to the Black Organization. Mouri after solving wonders how he can give an autographed baseball to his wife but then realizes since the baseballer is dead, the baseball is a collectors item.

For an astronomical observation, conan and the group went to this pension deep inside the mountain. Other than the pension owner, there were also other three people in the pension, the victim's fiancee and the two magazine staff. As they went to the nearby hill to see the stars, they saw a decayed bones and on top of it they found the dying message and then that night the other man from the magazine staff was killed and left another dying message.