One is a career elite, with good looks and strong business abilities. He originally planned to work diligently, buy a house, marry and have children, and establish himself in a big city. The other is a graduate student from a prestigious university. He seems to be focused on learning and is harmless to both humans and animals, but he always seems to have a hint of mystery about him. Two people who had nothing to do with each other were linked together because of a disappearance case. Who is behind all this? There seems to be an unspeakable secret hidden behind every seemingly simple character? Where will the wheel of fate sail in the end?