This case takes us to a large mansion located deep in the mountains. In this small world almost cut off from the outside, the main leadership of a large company resides. They harbor secrets unknown to outsiders, which will gradually be revealed due to the occurrence of an accidental incident...

This case takes us to a large mansion located deep in the mountains. In this small world almost cut off from the outside, the main leadership of a large company resides. They harbor secrets unknown to outsiders, which will gradually be revealed due to the occurrence of an accidental incident...