Pushing open a door, you step into a carefully woven mystery. There are 99 doors here, and behind each door is a completely different suspenseful world: bizarre secret room murders, well-planned perfect crimes, old cases buried by time, fatal malice hidden in ordinary daily life... From an isolated island on a rainy night to a bustling city, from the subtleties of people's hearts to unimaginable conspiracies, you will follow different detectives, ordinary people who are accidentally involved, and even Ou Su's own perspective, peel off the cocoons, and face the abyss of human nature. 99 Independent suspense reasoning stories, 99 thrilling puzzle-solving journeys. But please pay attention to those familiar details, those inadvertently connected clues - when the 99th door slowly closed behind you, did you get a glimpse of the looming ultimate outline hidden under thousands of puzzles?
