Team of detectives. A team of super professionals gathered from all over the world. Russian, Japanese, English, Arab... Each has their own working methods, their own system of actions chosen over the years. They were collected by an old millionaire. Collected to solve the mystery of a mysterious murder that happened three years ago. They only have THREE DAYS! Three days to figure it out. In the luxurious mansion, everyone who was there when the crime was committed is again present. Everyone has their own reasons for wanting the death of the murdered person. There is heavy evidence against everyone. But there is only one killer. And in order to save himself, he is ready to strike new blows...