Seven mysterious young people who dislike each other form a detective agency.
Life is a mess, but at work, there are few failures.
Whether you accept the client's request or not depends on their mood.
They have their own strengths and are connected with each other, but they live without interfering with each other.
One day, they accepted a difficult case. The case is over, but the trouble is not. A boy who combines all their strengths breaks into their lives. Also, is the case really over?
Who are they? What's the relationship between them?
The truth behind the complex secret is the never-ending entanglement between wind and cloud.